Free Online Tools

A collection of 404+ free tools I've built for the community. They all run entirely in your browser; nothing is uploaded to any server. No signup required.

AI Tools

AI Content Detector

Detect AI-generated content by analyzing perplexity, burstiness, and writing patterns.

AI Prompt Generator

Create detailed prompts for AI image generators like Midjourney and Stable Diffusion.

Automatic Subtitle Generator

Generate synchronized subtitles for your videos using local AI. 100% private.

Background Remover

Remove image backgrounds instantly in your browser using AI.

Depth Estimation from Image

Generate a depth map from any photo using AI. Visualize how far objects are from the camera with colorized depth maps.

Keyword Extractor

Extract the most important words and phrases from your text.

PII Redactor

Automatically detect and redact Personal Identifiable Information from text.

Pose Break Coach (PoseNet)

Neck mobility mini-game controlled by your body movement with PoseNet.

Sentiment Analyzer

Analyze toxicity and tone of your text (Insults, Threats, Toxicity, etc).

Syllable Counter & Analyzer

Count syllables in text with per-word breakdown and distribution analysis.

Text Readability Scorer

Analyze text readability with Flesch, Gunning Fog, and Coleman-Liau scores.

Text Tone Analyzer

Analyze the tone and mood of your text using lexicon-based detection.

Agile & Project Management

Backlog Arrival Rate Forecaster

Forecast future backlog arrival rates using seasonal decomposition with linear trend analysis.

Capability Gap Analyzer

Map team skills against future needs, calculate risk scores, and identify training priorities.

Cumulative Flow Diagram (CFD) Generator

Create cumulative flow diagrams to visualize workflow stages and track lead time, throughput, and WIP.

Daily Standup Timer

Run timed standups with automatic speaker rotation and randomized order.

Eisenhower Matrix

Prioritize your tasks by urgency and importance with the Eisenhower Matrix (Time Management Matrix).

Fishbone (Ishikawa) Diagram Builder

Build visual Ishikawa/Fishbone cause-and-effect diagrams to identify root causes of problems.

Interactive RACI Matrix Generator

Create a RACI responsibility assignment matrix with color-coded cells and validation.

Kano Model Analysis

Classify product features into Must-be, Performance, Attractive, and Indifferent categories.

Lean Canvas Generator

Build a complete Lean Canvas with the classic 9-block layout. Auto-saves and exports to JSON.

LinkRoutine: URL-Persistent Planner

Weekly planner that stores all your tasks in the URL. No database, no local storage, 100% shareable.

Meeting Cost Calculator

Calculate the real-time cost of meetings with a live timer based on attendee count and hourly rates.

Monte Carlo Delivery Forecaster

Use Monte Carlo simulation to forecast project delivery dates based on historical throughput data.

MoSCoW Prioritization

Categorize your requirements into Must-have, Should-have, Could-have, and Won't-have.

OKRs (Objectives & Key Results) Tracker

Track your Objectives and Key Results with progress bars, status indicators, and automatic progress calculations.

P2P Scrum Poker Deck

Real-time, serverless Scrum Poker for agile teams using WebRTC.

Pomodoro Timer

Customizable Pomodoro timer designed for agile workflows, sprints, and deep focus sessions.

RICE Scoring Model

Prioritize your product backlog using the RICE framework (Reach, Impact, Confidence, Effort).

Seasonal Capacity Planner

Plan team capacity across seasons by combining throughput, team size, and seasonal factors.

Six Dimensions of Performance Radar

Assess team performance across Quality, Responsiveness, Predictability, Productivity, Flow, and Value.

Sprint Capacity Calculator

Calculate your team's real capacity for the next sprint based on individual availability, focus factor, and days off.

Team Formation Optimizer

Build balanced, resilient teams by optimizing skill coverage and distribution.

Team Health Radar Generator

Visualize team health with a radar/spider chart. Score dimensions, track trends over time, and export as PNG or JSON.

User Story Mapping Canvas

Create visual user story maps with activities, tasks, and stories organized by release.

WIP Age Chart

Visualize work-in-progress aging across workflow stages with color-coded age buckets.

WSJF Calculator (Weighted Shortest Job First)

Prioritize your backlog using the WSJF model to maximize value delivery and minimize the cost of delay.

CSS & Design

Button CSS Generator

Generate custom CSS button styles visually

CSS Border Radius Generator

Generate CSS border-radius with visual editor

CSS Box Shadow Generator

Generate CSS box-shadow with visual editor

CSS Gradient Generator

Create linear, radial, and conic CSS gradients

CSS Text Shadow Generator

Create CSS text-shadow effects with visual editor

Glassmorphism Generator

Generate glassmorphism frosted glass CSS effects

Data Tools

CSV Column Extractor

Extract specific columns from CSV data by selecting which ones to keep.

CSV to Impex Converter

Turn a CSV export into a ready-to-run SAP Hybris Impex script with the mode and unique column of your choice.

CSV to JSON

Convert CSV data to JSON format and vice-versa.

CSV to XML

Convert CSV data to XML format and vice versa instantly.

Excel to JSON

Convert Excel spreadsheets (.xlsx, .xls) to JSON data instantly.

Impex Macro Expander

Resolve every $macro reference in an Impex script and emit a fully inlined version safe to review and audit.

Impex Table Editor

Parse an Impex block into an editable spreadsheet grid, tweak rows in place, and re-emit a clean Impex script.

Impex to CSV Converter

Turn any SAP Hybris Impex block into a clean CSV file ready for spreadsheets or ETL pipelines.

Impex to JSON Converter

Parse any SAP Hybris Impex into structured JSON blocks with headers, modifiers, rows, and macros preserved.

Impex to SQL (Approximate)

Translate a SAP Hybris Impex into approximate SQL INSERT / UPDATE / DELETE statements in Postgres, MySQL, or ANSI-standard dialects.

Impex Validator / Linter

Lint a SAP Hybris Impex script for missing headers, unknown modifiers, duplicate unique keys, and undefined macros.

JSON Diff Tool

Compare two JSON objects side by side and highlight differences.

JSON to HTML Table

Convert JSON data into a clean, visual HTML table and get the code.

JSON to Impex Converter

Rebuild a SAP Hybris Impex script from a JSON document containing blocks, headers, modifiers, rows, and macros.

JSON Validator & Lint

Validate JSON syntax, find errors with line numbers, and pretty-print your data.

SQL Insert Generator

Convert JSON or CSV data into SQL INSERT statements instantly.

XML to JSON

Convert XML data to JSON format and vice-versa.

YAML to JSON

Convert YAML data to JSON and vice versa instantly.

Date & Time

Add or Subtract Days from Date

Easily add or subtract days, weeks, months, or years from any given date.

Age Calculator

Calculate your exact age in years, months, weeks, days, hours, and minutes.

Astronomic Clock

Visualize solar, lunar, and celestial time with stunning precision.

Business Days Calculator

Calculate the number of working days between two dates, excluding weekends.

Countdown Timer

Multiple simultaneous countdown timers with visual progress indicators.

Date Difference Calculator

Calculate the exact duration between two dates.

Leap Year Checker

Quickly check if a year is a leap year and see when the next one will be.

Seconds to H:M:S Converter

Convert seconds to hours, minutes, seconds and vice versa.

Stopwatch & Lap Timer

A simple and precise stopwatch with lap timing.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Week Number Calculator

Find the ISO 8601 and US week number for any date.

Developer Tools

Base64 Encoder/Decoder

Encode and decode text to Base64 format.

Chmod Calculator

Calculate Linux file permissions easily.

Hreflang Checker

Validate hreflang tags for international SEO. Check language codes, region codes, and x-default.

HTML Entity Converter

Convert special characters to HTML entities.

HTTP Status Codes

Quick reference for HTTP response codes.

Infrastructure Diagram

Design and visualize infrastructure architecture with an interactive isometric diagram editor.

JS Key Code Finder

Find JavaScript event key codes instantly.

JSON Formatter

Format, validate, and minify your JSON data.

Meta Tag Inspector

Paste HTML and get a detailed analysis of all meta tags, Open Graph, Twitter Card, and SEO signals.

Mime Type Lookup

Lookup MIME types for file extensions.

Robots.txt Validator

Validate your robots.txt file for syntax errors and SEO best practices.

Secure Password Generator

Generate strong, random passwords for your accounts.

Sitemap Validator

Validate XML sitemap syntax, check URL structure, and verify compliance with the sitemaps.org protocol.

Source Map Unpacker

Extract source files from a .map file and download as ZIP.

URL Encoder/Decoder

Safely encode or decode URLs for all browsers.

UUID/GUID Generator

Generate secure UUIDs (v1, v4, v7) instantly.

Education & Science

DNA to RNA & Protein

Transcribe DNA to RNA and translate it into a protein sequence.

Ideal Gas Law Calculator

Calculate pressure, volume, moles, or temperature of an ideal gas using PV = nRT.

Interactive Periodic Table

Explore chemical elements with an interactive periodic table.

Molar Mass Calculator

Calculate the molar mass of any chemical formula instantly.

Multiplication Table

Generate and print custom multiplication tables.

Ohm's Law Calculator

Calculate voltage, current, resistance, and power using Ohm's Law.

pH Calculator

Calculate pH, pOH, and concentrations of ions in any solution.

Roman Numerals Converter

Convert decimal numbers to Roman numerals and vice versa.

Scientific Notation Converter

Convert between standard decimal and scientific notation effortlessly.

Significant Figures Calculator

Identify significant digits and round numbers with precision.

Encoding & Ciphers

Atbash Cipher

Encode and decode text using the Atbash cipher that reverses the alphabet.

Base Converter (2-64)

Convert numbers between any base from 2 to 64.

Base32 Encoder/Decoder

Encode text to Base32 or decode Base32 back to text using RFC 4648.

Binary ↔ String Converter

Convert between binary code and plain text.

Empty Line Remover

Remove all empty or blank lines from text.

Hex ↔ String Converter

Convert between hexadecimal and plain text.

Line Sorter

Sort lines of text alphabetically, numerically, by length, etc.

ROT13/ROT47 Encoder

Apply ROT13 or ROT47 cipher to encode and decode text instantly.

Text ↔ Decimal Converter

Convert between decimal code and plain text.

Text ↔ Octal Converter

Convert between octal code and plain text.

Everyday & Practical

Cooking Conversion Calculator

Convert between cooking measurements including volume, weight, and temperature.

Dice Roller

Roll one or multiple virtual dice for games.

Dog Age Calculator

Convert your dog's age to human years using the modern veterinary formula.

Electricity Cost Calculator

Estimate your electricity costs by device and usage

GPA Calculator

Calculate your Grade Point Average on a 4.0 scale

Speed Distance Time Calculator

Calculate speed, distance, or time given any two values with unit conversions.

Tip Calculator

Calculate the tip and split the bill among friends.

Finance & Business

Budget Planner (50/30/20)

Plan your monthly budget using the 50/30/20 rule with customizable categories and expense tracking.

Burn Rate / Runway Calculator

Calculate your startup's monthly burn rate, net burn, and cash runway with month-by-month projections.

Cash Change Calculator

Calculate the exact change to return in bills and coins for any currency.

Credit Card Payoff Calculator

Calculate how long it takes to pay off your credit card and how much interest you'll pay.

DCA Calculator (Investment Optimizer)

Optimize your recurring investments using a Softmax-based allocation strategy.

Debt Snowball Calculator

Compare snowball and avalanche debt payoff strategies to find your fastest path to financial freedom.

Discount Calculator

Calculate the final price after applying a discount.

FIRE Number Calculator

Calculate your Financial Independence, Retire Early (FIRE) number and timeline.

Interest Calculator

Calculate simple and compound interest easily.

Invoice Generator

Create professional invoices with multiple templates. Add line items, taxes, and discounts. Download as PDF instantly.

Job Offer Comparison

Compare multiple job offers side by side with weighted scoring to find the best overall package.

Loan Payoff Calculator

Find out when your loan will be paid off.

Margin & Markup Calculator

Calculate profit margin and markup for your products.

Mortgage Calculator

Calculate your monthly mortgage payments with ease.

Net Worth Calculator

Calculate your net worth by tracking assets and liabilities.

Retirement Planner

Plan your retirement savings with projected growth, contribution tracking, and year-by-year breakdown.

ROI Calculator

Calculate your return on investment easily.

Salary After Tax Calculator

Calculate your net pay after taxes and deductions with customizable progressive tax brackets.

Subscription Overload Finder

Track recurring subscriptions, see total costs, and find potential savings.

Tip Calculator

Calculate the tip and split the bill among friends.

VAT Calculator

Calculate VAT (Value Added Tax) for any amount and rate.

Health & Wellness

BMI Calculator

Calculate your Body Mass Index and health category

BMR Calculator

Calculate your Basal Metabolic Rate and daily calorie needs

Body Fat Calculator

Calculate body fat percentage using the U.S. Navy method

Caffeine Half-Life Calculator

Track caffeine decay over 24 hours and find safe sleep time

Heart Rate Zones Calculator

Calculate your 5 heart rate training zones based on age

Water Intake Calculator

Calculate your recommended daily water intake

Image & Design

ASE to CSS Color Palette

Convert Adobe ASE swatch files to CSS custom properties, SASS, LESS, or Tailwind config.

ASE to GPL Palette Converter

Convert Adobe ASE swatch files to GIMP GPL palette format.

AVIF to BMP Converter

Convert AVIF images to uncompressed BMP format for legacy systems and raw pixel access.

AVIF to GIF Converter

Convert AVIF images to GIF format for email signatures, forums, and legacy platforms.

AVIF to ICO Converter

Convert AVIF images to ICO format for website favicons and Windows application icons.

AVIF to JPG Converter

Convert AVIF images to widely compatible JPG format for sharing and printing.

AVIF to PDF Converter

Convert AVIF images to professional PDF documents for printing and archival.

AVIF to PNG Converter

Convert AVIF images to universally compatible PNG format with full transparency support.

AVIF to WebP Converter

Convert AVIF images to WebP format for broad browser support and efficient web delivery.

Aspect Ratio Calculator

Calculate dimensions and ratios for images, videos, and screens accurately.

Base64 to Image

Convert Base64 strings to images and vice versa instantly.

BMP to AVIF Converter

Convert BMP images to AVIF for dramatic file size reduction from uncompressed bitmaps.

BMP to GIF Converter

Convert BMP images to GIF format instantly in your browser to reduce file size or add format support.

BMP to PDF Converter

Convert BMP images to PDF format instantly in your browser to reduce file size or add format support.

BMP to SVG Converter

Vectorize BMP images to SVG format in your browser using vtracer. Convert raster bitmaps to scalable vector graphics.

Color Palette Extractor

Extract beautiful color palettes from any image automatically.

Compress GIF

Reduce GIF file size while maintaining quality online.

Compress JPEG

Reduce JPEG file size while maintaining quality online.

Compress PNG

Reduce PNG file size while maintaining quality online.

Compress WEBP

Reduce WEBP file size while maintaining quality online.

Favicon Generator

Create a complete set of favicons for your website from any image instantly.

Flyer & Poster Maker

Design eye-catching flyers and posters with customizable templates, text, shapes, and images.

GIF to BMP Converter

Convert GIF images to BMP format instantly in your browser to reduce file size or add format support.

GIF to JPEG Converter

Convert GIF images to JPEG format instantly in your browser to reduce file size or add format support.

GIF to PDF Converter

Convert GIF images to PDF format instantly in your browser to reduce file size or add format support.

GIF to PNG Converter

Convert GIF images to PNG format instantly in your browser to reduce file size or add format support.

GIF to WebP Converter

Convert GIF images to WebP format instantly in your browser to reduce file size or add format support.

ICO to AVIF Converter

Convert ICO icon files to AVIF for efficient web display and compact storage.

ICO to GIF Converter

Convert ICO images to GIF format instantly in your browser to reduce file size or add format support.

Image Cropper

Crop your images to any size or shape easily and securely in your browser.

Image Enhancer

Enhance and upscale images using Swin2SR AI super-resolution.

Image Resizer

Resize single or multiple images to custom dimensions in bulk.

Image Watermark Remover

Remove watermarks from images using AI-powered inpainting.

JPEG to AVIF Converter

Convert JPEG photos to AVIF for superior compression and faster web loading.

JPEG to GIF Converter

Convert JPEG images to GIF format instantly in your browser to reduce file size or add format support.

JPEG to WebP Converter

Convert JPEG images to WebP format instantly in your browser to reduce file size or add format support.

JPG to PDF Converter

Convert JPG or JPEG photos into a PDF file in seconds.

JPG to PNG Converter

Convert JPG images to PNG to preserve quality or add transparency.

License Plate Blur

Blur and anonymize vehicle license plates in images using AI.

LinkedIn Banner Builder

Create professional LinkedIn banners with the perfect 1584×396 dimensions.

Meme Generator

Create classic memes with custom top and bottom text instantly.

PDF to AVIF Converter

Convert PDF pages to compact AVIF images for web previews and social sharing.

PDF to GIF Converter

Convert PDF images to GIF format instantly in your browser to reduce file size or add format support.

PDF to JPEG Converter

Convert PDF images to JPEG format instantly in your browser to reduce file size or add format support.

PDF to PNG Converter

Extract pages from a PDF file as high-quality PNG images.

PDF to WebP Converter

Convert PDF images to WebP format instantly in your browser to reduce file size or add format support.

PNG to AVIF Converter

Convert PNG images to AVIF for 30-50% smaller files with identical visual quality.

PNG to GIF Converter

Convert PNG images to GIF format instantly in your browser to reduce file size or add format support.

PNG to JPG Converter

Convert PNG images to JPG format for smaller file sizes.

PNG to PDF Converter

Convert your PNG images into a PDF document online for free.

PNG to SVG Converter

Vectorize PNG images to SVG format in your browser using vtracer. Convert raster graphics to scalable vector art.

PNG to WebP Converter

Convert PNG images to WebP for better web performance.

PSD Layer Extractor

Extract and download individual layers from Photoshop PSD files.

PSD to PNG Converter

Convert Photoshop PSD files to PNG with optional layer export.

PSD to SVG Converter

Convert Photoshop PSD files to scalable SVG vector format.

SVG to AVIF Converter

Convert SVG vector graphics to compact AVIF raster images for web and social media.

SVG to BMP Converter

Convert SVG images to BMP format instantly in your browser to reduce file size or add format support.

SVG to GIF Converter

Convert SVG images to GIF format instantly in your browser to reduce file size or add format support.

SVG to JPEG Converter

Convert SVG images to JPEG format instantly in your browser to reduce file size or add format support.

SVG to PDF Converter

Convert SVG images to PDF format instantly in your browser to reduce file size or add format support.

SVG to PNG Converter

Convert vector SVG files to raster PNG images instantly.

SVG to WebP Converter

Convert SVG images to WebP format instantly in your browser to reduce file size or add format support.

T-Shirt Mockup Generator (3D Preview)

Preview your design on a 3D t-shirt you can rotate, zoom, and recolor. Upload artwork and export as PNG.

Texture Preview (KTX2 / DDS to PNG)

Preview KTX2 and DDS GPU texture files in your browser and download them as PNG. Supports Basis Universal and BC1-BC7.

Watermark Generator

Add text watermarks to your photos easily and securely in your browser.

WebP to AVIF Converter

Convert WebP images to AVIF for next-generation compression and HDR support.

WebP to GIF Converter

Convert WebP images to GIF format instantly in your browser to reduce file size or add format support.

WebP to JPEG Converter

Convert WebP images to JPEG format instantly in your browser to reduce file size or add format support.

WebP to PDF Converter

Convert WebP images to PDF format instantly in your browser to reduce file size or add format support.

WebP to PNG Converter

Convert WebP images to standard PNG format with transparency.

XD to SVG Converter

Convert Adobe XD files to SVG format for web and design use.

Math & Calculators

Absolute Value Calculator

Find the absolute value (magnitude) of any number.

Average Calculator

Calculate arithmetic, geometric, and harmonic mean of a set of numbers.

Factorial Calculator

Calculate the factorial of a non-negative integer.

Fibonacci Sequence Generator

Generate a sequence of Fibonacci numbers up to a specified term.

Fraction Calculator

Perform addition, subtraction, multiplication, and division of fractions.

GCD & LCM Calculator

Calculate the Greatest Common Divisor and Least Common Multiple of two numbers.

Modulo Calculator

Calculate the remainder of a division (A mod B) instantly.

Palindrome Number Checker

Check if a number reads the same forwards and backwards.

Percentage Calculator

Quickly calculate percentages and percentage changes.

Percentage Change Calculator

Calculate the percentage increase or decrease between two values.

Prime Number Checker

Check if a number is prime and find its prime factorization.

Quadratic Equation Solver

Solve quadratic equations of the form ax² + bx + c = 0.

Random Number Generator

Generate random numbers within a specified range.

Ratio Calculator

Simplify ratios and convert them to their simplest form.

Reverse Number

Reverse the digits of any integer instantly.

Rule of Three Calculator

Solve direct and inverse proportions easily.

Slope Calculator

Calculate the slope, angle, and distance between two points.

Statistics Calculator

Calculate mean, median, mode, standard deviation, and more for a set of numbers.

Sum of Digits

Calculate the sum of all digits in a number.

Music & Audio

AAC to FLAC Converter

Convert AAC audio files to FLAC format online for free.

AAC to M4A Converter

Convert AAC audio files to M4A format online for free.

AAC to MP3 Converter

Convert AAC audio files to MP3 format online for free.

AAC to OGG Converter

Convert AAC audio files to OGG format online for free.

AAC to WAV Converter

Convert AAC audio files to WAV format online for free.

ADSR Envelope Designer

Design Attack-Decay-Sustain-Release envelopes with real-time visualization and audio preview.

Audio Stem Splitter

Split any audio file into separate stems locally in your browser.

Audio Trimmer

Clip and trim audio files directly in your browser with high precision.

Binaural Beats Generator

Generate custom binaural beats for focus, sleep, and meditation.

BPM & Key Detector

Real-time analyzer via microphone or file upload.

Chiptune (8-bit) Sound Creator

Create retro 8-bit chiptune sounds with a step sequencer and waveform selector.

Circle of Fifths

Interactive circle of fifths to understand harmonic relationships, find related chords, and improve your compositions.

FLAC to AAC Converter

Convert FLAC audio files to AAC format online for free.

FLAC to M4A Converter

Convert FLAC audio files to M4A format online for free.

FLAC to MP3 Converter

Convert FLAC audio files to MP3 format online for free.

FLAC to OGG Converter

Convert FLAC audio files to OGG format online for free.

FLAC to WAV Converter

Convert FLAC audio files to WAV format online for free.

Loop Music Creator

Browser-based DAW for creating music with loops. Drum step sequencers, synth piano rolls, master effects, and WAV export.

M4A to AAC Converter

Convert M4A audio files to AAC format online for free.

M4A to FLAC Converter

Convert M4A audio files to FLAC format online for free.

M4A to MP3 Converter

Convert M4A audio files to MP3 format online for free.

M4A to OGG Converter

Convert M4A audio files to OGG format online for free.

M4A to WAV Converter

Convert M4A audio files to WAV format online for free.

MP3 to AAC Converter

Convert MP3 audio files to AAC format online for free.

MP3 to FLAC Converter

Convert MP3 audio files to FLAC format online for free.

MP3 to M4A Converter

Convert MP3 audio files to M4A format online for free.

MP3 to OGG Converter

Convert MP3 audio files to OGG format online for free.

MP3 to WAV Converter

Convert MP3 audio files to WAV format online for free.

Music Scale Library

Explore a comprehensive collection of musical scales. Select a root note and listen to how each scale sounds.

Noise Generator

Generate white, pink, and brown noise for testing, relaxation, or sound design.

OGG to AAC Converter

Convert OGG audio files to AAC format online for free.

OGG to FLAC Converter

Convert OGG audio files to FLAC format online for free.

OGG to M4A Converter

Convert OGG audio files to M4A format online for free.

OGG to MP3 Converter

Convert OGG audio files to MP3 format online for free.

OGG to WAV Converter

Convert OGG audio files to WAV format online for free.

Polyrhythm Metronome

Practice complex polyrhythms with visual and audio feedback. Supports ratios like 3:4, 5:4, and more.

Sine Wave Sweep Generator

Generate frequency sweeps for testing speakers and headphones.

Tempo Tapper

Calculate BPM instantly by tapping along to any rhythm.

Vocal Remover

Remove vocals from any song and get the instrumental track using AI.

Voice Noise Remover

Remove background noise from voice recordings using AI, 100% in your browser.

WAV to AAC Converter

Convert WAV audio files to AAC format online for free.

WAV to FLAC Converter

Convert WAV audio files to FLAC format online for free.

WAV to M4A Converter

Convert WAV audio files to M4A format online for free.

WAV to MP3 Converter

Convert WAV audio files to MP3 format online for free.

WAV to OGG Converter

Convert WAV audio files to OGG format online for free.

YouTube Loop Mix & DJ Tool

DJ-style mixer with dual decks, crossfader, EQ, A-B loop markers, cue points, BPM detection, and WAV export.

PDF & Documents

Image to PDF

Convert your images into a single PDF document.

PDF Compressor

Compress PDF files locally to reduce file size without losing quality.

PDF Crop

Crop PDF pages to a specific area or size.

PDF Flatten

Flatten PDF forms and layers into a single layer.

PDF Image Extractor

Extract all images from a PDF, replace them, and regenerate the document.

PDF Image Quality Enhancer

Enhance the quality of all images in a PDF using AI super-resolution and rebuild the document.

PDF Margin Adjuster

Adjust the margins of your PDF pages.

PDF Merger

Combine multiple PDF files into a single document instantly.

PDF Metadata Editor

View and edit metadata of your PDF files instantly.

PDF Page Deleter

Remove unwanted pages from your PDF files easily.

PDF Page Extractor

Extract specific pages from your PDF file.

PDF Page Numberer

Add page numbers to your PDF documents automatically.

PDF Page Reorder

Rearrange pages in your PDF document easily.

PDF Page Rotator

Rotate individual or all pages in your PDF document.

PDF Splitter

Split your PDF document into multiple separate files.

PDF Watermark

Add text watermarks to your PDF documents easily.

PDF Watermark Remover

Remove watermarks from PDF documents using AI-powered inpainting.

PowerPoint (PPTX) to PDF

Convert your PowerPoint presentations to PDF format.

Text to PDF

Convert plain text into a professional PDF document.

Random & Fun

Blue Noise Point Distribution Generator

Generate high-performance distributions with Mitchell's Best Candidate algorithm.

Coin Flipper

Flip a virtual coin to make a quick decision.

Dice Roller

Roll one or multiple virtual dice for games.

Random Choice Picker

Pick a random item from a list of options.

Random Color Generator

Generate random colors in HEX, RGB, and HSL formats.

Random Fact Generator

Learn something new with interesting random facts.

Random Name Picker

Randomly select a name from your list.

Random Quote Generator

Get inspired with random quotes from famous people.

Rock Paper Scissors

Play a classic game of Rock Paper Scissors against the CPU.

Spaced Repetition Flashcards

Create, review, and schedule flashcards with local storage and JSON export/import.

Spin the Wheel

Create a custom wheel and spin it for random results.

Team Generator

Quickly split a list of names into random teams.

Security & Cryptography

Caesar Cipher

Encrypt and decrypt text using the Caesar cipher with a customizable shift value.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input instantly.

Morse Code Encoder/Decoder

Encode text to Morse code and decode Morse code back to text instantly.

Password Strength Tester

Test and analyze the strength of any password with entropy calculation and detailed feedback.

Random Token Generator

Generate cryptographically secure random tokens and secrets instantly.

Vigenere Cipher

Encrypt and decrypt text using the Vigenere cipher with a keyword.

Social Media & SEO

Ad Character Counter

Count characters for Google, Facebook, and other ads.

Canonical URL Gen

Generate canonical URL tags to prevent duplicate content.

Hashtag Generator

Generate trending hashtags for your social media posts.

Instagram Caption Spacer

Add clean line breaks to your Instagram captions.

Keyword Density Checker

Analyze the keyword density of your content for SEO.

Meta Tag Generator for SEO

Generate SEO-optimized meta tags for your website.

Open Graph (OG) Generator

Generate Open Graph meta tags for better social sharing.

Robots.txt Generator

Create a robots.txt file to guide search engine crawlers.

Sitemap Generator (XML)

Generate an XML sitemap for search engine indexing.

Twitter Character Counter

Count characters and verify Twitter's limit.