All Tools

106 free browser-based tools

Audio & Media 9

Audio Noise Remover

Clean up noisy audio recordings directly in your browser using Web Audio API filtering. Apply high-pass and low-pass filters, a dynamics compressor, and a noise gate to remove hum, hiss, and background noise from voice recordings, podcasts, and more.

Audio Visualization

Listen to sounds through your microphone and visualize their frequency and volume in three different styles: bars, waveform, and a circular view.

Beat Maker

A 16-step drum machine sequencer powered entirely by the Web Audio API — no sample files needed. Synthesize kicks, snares, hi-hats, claps, and toms, adjust BPM and swing, pick from preset patterns, and export your beat as a WAV file.

Guitar Tuner

Tune your guitar using your microphone. Visualize audio frequency data, detect pitches, and see hints to tune each string up or down.

Music Visualizer

Real-time audio visualizer that turns microphone input or uploaded audio files into stunning animated visuals. Choose from bars, circular, waveform, and particle effects — all in your browser.

Screen Recorder

Record your screen directly in the browser using the Screen Capture API. Optionally overlay your webcam, pause and resume, then download the recording as a WebM file.

Video to GIF

Extract frames from a video file and create an animated preview. Upload an MP4, WebM, or MOV file, set a time range and frame rate, then download individual frames as PNGs.

Video Trimmer

Trim a video to a specific start and end time directly in your browser using the MediaRecorder API. Upload an MP4 or WebM, define your clip, and download the trimmed result.

Webcam Teleprompter

Read your script hands-free while looking directly at the camera. Mirrored video feed keeps your eye contact natural while your text scrolls at a configurable speed — adjust font size, opacity, and go fullscreen for a professional setup.

Collaboration 3

1-on-1 Video Chat

A simple one-on-one video chat room built with WebRTC and PeerJS. Create or join a room using a short session code, and enjoy real-time video communication.

File Transfer

Transfer files up to 200MB seamlessly using PeerJS. Enjoy drag-and-drop, file selection, real-time progress tracking, and a live log of downloads with simultaneous transfers.

Scrum Poker Session Planner

Plan your sprint tickets effectively with this client-side Scrum Poker tool. Enter your username, create or join sessions, and collaboratively size sprint tickets.

Data Tools 2

CSV & Excel Viewer

Open CSV, TSV, and Excel files in a fast, sortable table. Filter rows, edit cells, and export your changes — all in your browser with no uploads.

SQL Playground

Run SQL queries against your data right in the browser. Upload a CSV file, and query it with full SQLite — no server, no database setup required.

Design Tools 13

Aspect Ratio Calculator

Calculate, convert, and lock aspect ratios for images, videos, and screens. Enter width and height to see the simplified ratio, or choose a platform preset. Lock the ratio to auto-calculate the missing dimension.

Color Blindness Simulator

Upload an image to see how it appears to people with different types of color vision deficiency, including protanopia, deuteranopia, tritanopia, and achromatopsia.

Color Converter

Convert colors between HEX, RGB, HSL, HSV, CMYK, XYZ, and LAB formats. Bi-directional conversion with live color preview as you type.

Color Palette Generator

Extract dominant colors from any image or generate harmonious color palettes from a seed color. Supports complementary, analogous, triadic, tetradic, and monochromatic schemes — click any swatch to copy the hex value.

CSS Gradient Generator

Create beautiful CSS gradients visually. Choose between linear, radial, and conic gradient types, add multiple color stops, and copy the ready-to-use CSS background property directly into your stylesheet.

Device Mockup Generator

Wrap any screenshot inside a realistic device frame — iPhone, MacBook, iPad, or Android. Choose frame color and background, then download the composed mockup as a PNG for portfolios, presentations, or app store assets.

Favicon Generator

Generate a complete favicon package from any image or emoji. Creates PNG at all standard sizes (16x16 to 512x512) and Apple Touch icons — download individually or all at once.

Floor Plan Sketcher

Sketch simple room layouts and furniture arrangements directly in your browser using an HTML5 Canvas drawing surface. Draw walls, place furniture, rotate items, and export your plan as a PNG image or JSON file for later editing.

Font Previewer

Preview and compare popular Google Fonts side by side. Search and filter by category, adjust font size and weight, enter custom preview text, and compare up to four fonts simultaneously to find the perfect typography for your project.

Placeholder Image Generator

Generate custom placeholder images for mockups and wireframes in the browser. Set dimensions, background color, text color, and custom label text, then download as PNG or copy the data URI for use in HTML and CSS.

Placeholder SVG Generator

Generate lightweight SVG placeholder images with custom dimensions, colors, text, and patterns. Copy the SVG code, data URI, or download the file — perfect for wireframes, mockups, and HTML prototypes.

SVG Optimizer

Clean and minify SVG files by removing comments, metadata, empty elements, and unnecessary whitespace. Paste SVG code or upload a file and see before/after size savings.

Whiteboard

A freeform drawing canvas for quick sketches, diagrams, and visual notes. Draw with pen, shapes, and text — right in your browser. No signup, no install, no data sent anywhere.

Developer Tools 15

Base64 Decoder

Decode and encode Base64 payloads instantly. Supports iterative decoding for multi-layered encoded data — essential for debugging APIs and data pipelines.

Code Screenshot Generator

Turn any code snippet into a beautiful, shareable screenshot. Choose from popular syntax themes, select your language, adjust padding and background, then export as a high-quality PNG — no Carbon account required.

Cron Checker

Instantly convert cron expressions into human-readable schedules. Validate and understand your cron jobs effortlessly.

CSS Layout Playground

Visual CSS Flexbox and Grid layout builder with live preview and code output. Adjust container and item properties, see changes instantly, then copy the generated CSS and HTML into your project.

cURL to Code Converter

Paste a cURL command and instantly get the equivalent code in Python, JavaScript, Go, PHP, and more. Perfect for converting browser DevTools requests into production code.

JSON Formatter & Validator

Paste JSON to pretty-print, validate, minify, and explore. Click any node in the tree view to copy its JSONPath expression — perfect for building API queries.

JSON to TypeScript Interface

Instantly convert JSON objects into TypeScript interfaces or type aliases. Handles nested objects, arrays, nullable values, and mixed types. Customize the root interface name and toggle options like readonly and optional fields.

JWT Decoder

Paste a JWT token into the tool to decode and display its header, payload, and signature. This interactive tool helps you quickly inspect and understand your JSON Web Tokens.

Markdown Table Generator

Build and edit Markdown tables visually using a spreadsheet-like grid. Add and remove rows and columns, set column alignment, paste data from a spreadsheet, and copy the finished Markdown with one click.

Prettier Code Formatter & Colorizer

Reformat and colorize your code using Prettier and react-syntax-highlighter. Easily convert messy code into a clean, readable format with syntax highlighting.

Regex Query Helper & Explainer

Experiment with regular expressions using our interactive Regex Helper tool. Test your regex on sample text and get a breakdown of the syntax.

SQLite Viewer

Open and explore any .sqlite, .db, or .sqlite3 database file directly in your browser. Browse tables, run custom SQL queries, and export results as CSV — powered by WebAssembly, no server or installation needed.

Text Diff Checker

Compare two blocks of text side-by-side and instantly see additions, deletions, and changes highlighted. Perfect for comparing code, documents, or configuration files.

URL Decoder & Encoder

Decode and encode URL-encoded text instantly. Essential for web developers debugging query strings, API parameters, and encoded URLs.

URL Parser

Break down any URL into its components — protocol, host, port, path, query parameters, and fragment. Understand complex URLs at a glance.

Fun & Games 10

Coin Flip

Make quick decisions with a fair, random coin toss. Animated flip with instant heads or tails results — great for settling debates or making choices.

Conway's Game of Life

Explore Conway's Game of Life with this interactive simulation tool. Experiment with cell generations and discover how simple rules create complex patterns.

CounterStrike Player Links

Generate outbound links for popular CounterStrike platforms using a player's ID. Quickly open Faceit, Leetify, HLTV, and more.

Dice Roller

Roll any combination of dice — D4, D6, D8, D10, D12, D20, D100. Build custom rolls like 2D6+1D20, see individual results, and re-roll instantly.

FPS Reaction Time Trainer

Test and improve your reaction speed with our FPS Reaction Time Trainer. Measure your click reaction time after a visual cue, track your attempts, and view your progress.

Map Quiz

Challenge your geography knowledge with an interactive map-based quiz. Click on the map where you think the correct location is and see how close your guess is!

Meme Generator

Create memes directly in your browser. Upload any image, add top and bottom caption text, adjust font size and colors, and download the finished meme as a PNG. No uploads to any server — everything happens locally.

Peer Draw Game

Draw together in real-time with friends using peer-to-peer connections. Create or join a shared canvas — no server, no signup, just collaborative creativity.

Simon Says Memory Game

Test your memory with a classic four-color memory sequence game. Hear tones and match the pattern to achieve high scores, saved to local storage.

Webcam Photo Booth

Turn your browser into a fun photo booth. Apply live CSS filters — grayscale, sepia, brightness, contrast — then snap individual photos or a 4-shot photo strip with a 3-2-1 countdown. Download your shots instantly.

Image Tools 10

AI Background Remover

Remove backgrounds from photos using on-device AI — no uploads, no signups, completely free. Powered by browser-based machine learning for total privacy.

EXIF Metadata Viewer & Stripper

View all hidden metadata in your photos — GPS location, camera model, date taken, and more. Strip metadata for privacy before sharing. Your photos never leave your browser.

HEIC to JPG Converter

Convert iPhone HEIC and HEIF photos to JPG or PNG directly in your browser. Supports batch conversion with a quality slider — no uploads, completely private.

Image Compressor

Compress JPEG, PNG, and WebP images directly in your browser with no uploads to any server. Adjust quality, choose output format, and download individual files or all at once — see the size savings in real time.

Image Flipper

Flip images horizontally or vertically in your browser. Upload, transform, and download — perfect for design adjustments and creative mirror effects.

Image Format Converter

Convert images between JPEG, PNG, and WebP formats directly in your browser. Upload one or more images, choose the output format, adjust quality, and download the results — no uploads to any server.

Image Grayscale Converter

Convert your images to grayscale effortlessly. Perfect for artistic transformations and detailed image analysis.

Image Optimizer & Comparison Slider

Optimize your images and compare the original and optimized versions using an interactive before/after slider. Perfect for designers and developers looking to reduce image size without compromising quality.

OCR - Image to Text

Extract text from images, screenshots, and scanned documents right in your browser. Powered by Tesseract.js with support for 100+ languages — completely private, nothing uploaded.

Social Media Image Resizer

Crop and resize any image to the perfect dimensions for Instagram, Facebook, LinkedIn, YouTube, X/Twitter, and Pinterest. Upload your image, choose a platform preset, adjust the crop area, and download the optimized result instantly.

Learning & Education 3

Keyboard Shortcut Trainer

Practice and memorize keyboard shortcuts for VS Code, Chrome, macOS, and Vim. Three game modes: Practice, Speed Drill, and Quiz. Track your progress and focus on your most-missed shortcuts.

Regex Crossword

A puzzle game where you fill a grid of single characters so every row matches its regex pattern and every column matches its own regex. Solve 15 hand-crafted puzzles from 2x2 beginner grids up to 5x5 expert challenges.

Roman Numeral Converter

Convert between decimal numbers and Roman numerals instantly. Supports numbers from 1 to 3,999,999 with proper notation and random number generation for practice.

Networking 2

CIDR IP Range Configurator

Learn how to configure IP ranges using CIDR notation with our interactive tool. Explore subnetting, host ranges, and key network details.

Network Speed Test

Test your internet connection speed directly in your browser. Measures download speed, upload speed, latency, and jitter using Cloudflare's public test servers. No extensions or software required — results stay in your browser.

PDF & Document Tools 5

Image to PDF Converter

Convert multiple images into a single PDF with drag-and-drop reordering, basic image editing (cropping and rotation), preset layout settings, and full client-side processing.

PDF Compressor

Reduce PDF file size directly in your browser using pdf-lib. Strips unused objects and consolidates streams to shrink documents — no server, no upload required.

PDF Merge Tool

Easily merge multiple PDF files into one cohesive document using our browser-based PDF Merge Tool.

PDF Split Tool

Effortlessly split your PDF documents into individual pages or extract a custom range.

PDF to Image Converter Tool

Convert your PDF files into popular output formats including images (PNG, JPEG, BMP, GIF, TIFF), Word, Excel, PowerPoint, and Plain Text.

Productivity 10

Browser Notification Scheduler

Set timed browser reminders without any app or account. Type a message, choose a delay with one click or enter a custom time, and receive a desktop notification when the time is up. All reminders are tracked and cancellable.

Checklist Generator

Create and manage checklists from pre-built templates or from scratch. Choose from travel packing lists, moving checklists, camping trips, wedding planning timelines, and more. Track progress with visual indicators, export to PDF, copy as text, or share via link.

Email Signature Generator

Create professional HTML email signatures with a live preview. Fill in your contact details, choose from three polished templates, and copy the email-safe HTML table markup ready to paste into Gmail, Outlook, or any email client.

Habit Tracker

Track daily habits with a visual contribution grid inspired by GitHub. Add any number of habits, click days to mark them complete, and watch your streaks grow. Data is saved locally in your browser — no account needed.

Invoice Generator

Create professional PDF invoices instantly — no signup, no watermarks. Add your details, line items, tax rates, and download a clean invoice ready to send.

Meeting Cost Calculator

Find out the true cost of your meetings in real time. Add attendees with their hourly rates, set the duration, and start the live cost counter to see per-attendee and total costs accumulate by the second.

Pomodoro Timer

Stay focused with a customizable Pomodoro timer. Set work and break intervals, track completed sessions, and boost your productivity with the proven time-boxing technique.

Presentation Timer

A clean, distraction-free countdown timer for presentations and talks. Set your duration, configure a visual warning threshold, and get clear color cues when time is running short. Fullscreen mode and an audio beep on finish included.

Timezone Meeting Planner

Plan meetings across multiple time zones with a visual 24-hour overlap chart. Add any world timezone, see live current times, and instantly identify overlapping business hours so you can schedule calls that work for everyone.

Typing Speed Test

Test your typing speed and accuracy with real text passages. Track WPM, accuracy percentage, and error count with a clean, distraction-free interface.

Security & Encryption 6

Encryption & Hashing Explorer

Discover how encryption secures your data and how hashing transforms information into a unique fingerprint. Perfect for novices eager to learn cryptography.

File Encryptor / Decryptor

Encrypt any file with a password using AES-256-GCM and the Web Crypto API — completely client-side, nothing ever leaves your browser. Decrypt the same files with the original password.

Image Metadata Stripper

Remove hidden EXIF, GPS, and camera data from your images before sharing. Upload one or many photos, strip all embedded metadata through a secure Canvas re-encoding, and download clean copies — everything runs entirely in your browser.

Image Steganography

Hide secret text messages inside ordinary-looking PNG images using LSB (Least Significant Bit) encoding. Optionally password-protect your hidden messages with XOR encryption.

Random Password Generator

Generate secure, customizable passwords instantly. Choose length, character types, and complexity — perfect for creating strong credentials without any third-party service.

SSH Key Generator

Generate RSA SSH key pairs directly in your browser using the Web Crypto API. No server involved — your private key never leaves your device. Download public and private keys ready for use with GitHub, GitLab, or any SSH server.

Text Tools 4

Lorem Ipsum Generator

Generate placeholder text in multiple styles — Classic Latin, Bacon Ipsum, Hipster Ipsum, and Corporate Buzzwords. Control paragraph count, sentence length, and copy with one click.

Speech Studio

Convert text to speech with voice selection and speed controls, or transcribe speech to text in real-time. Uses built-in browser APIs — zero dependencies, total privacy.

Text Case Converter

Easily convert text between uppercase, lowercase, title case, sentence case, and more. Perfect for content editors, writers, and anyone who needs quick text formatting.

Word & Character Counter

Count words, characters, sentences, and paragraphs instantly. Get reading time estimates and readability scores including Flesch-Kincaid and Gunning Fog index.

Utilities 14

Barcode Generator

Generate Code 128, EAN-13, and Code 39 barcodes directly in your browser. Customize bar height, module width, and label display, then download as PNG — no libraries or uploads required.

Crypto Price Tracker

Track live cryptocurrency prices, view 7-day sparkline charts, and convert between crypto and fiat currencies. Powered by the free CoinGecko API — no API key needed.

Date & Time Calculator

Calculate the number of days between two dates, add or subtract time from a date, and find the number of business days excluding weekends. A versatile date math tool for planning and scheduling.

Emoji Search & Copy

Search, browse, and copy emojis instantly. Find the perfect emoji by name or keyword and copy it or its Unicode code to your clipboard with one click.

Loan & Mortgage Calculator

Calculate monthly payments, total interest, and view a full amortization schedule for any loan. Supports fixed-rate mortgages, auto loans, and personal loans.

Name Shuffler

Randomize a list of names with this interactive tool. Paste your names (one per line) to generate a random, numbered order and share the list via a unique URL.

Percentage Calculator

Quickly calculate percentages with three modes: find X% of a number, determine what percentage one number is of another, or calculate the percentage change between two values. Instant results as you type.

QR Code Generator

Generate QR codes instantly from any text, URL, or contact information. Customize size and download as PNG — no account or API needed.

QR Code Scanner

Scan QR codes using your device camera or by uploading an image. Decodes the content instantly in your browser using jsQR — no server, fully private.

Random Number Generator

Generate random numbers within any range. Choose integers or decimals, ensure uniqueness, and generate multiple numbers — ideal for simulations, lotteries, and testing.

Stopwatch

A precise stopwatch with lap timing, keyboard shortcuts, and local storage persistence. Track intervals, export data, and keep your timing history across sessions.

Temperature Converter

Convert temperatures between Fahrenheit, Celsius, and Kelvin in real-time. Simple, fast, and accurate for science, cooking, or everyday conversions.

Unit Converter

Universal unit converter for length, weight, volume, temperature, data, speed, area, and time. Instant bidirectional conversion between metric and imperial units.

WiFi QR Code Generator

Generate a QR code for your WiFi network so guests can connect instantly without typing a password. Supports WPA/WPA2, WEP, and open networks. The QR code is generated entirely in the browser.