Fast tools that run entirely in your browser.
AI Tools
WebLLM Chatbot
Chat with local AI models in your browser using WebLLM, with model download and cache controls
AI Conversation
Watch multiple AI models converse with each other in your browser. Add up to 8 AIs with unique personalities.
Regex Generator
Generate regular expressions from natural language using AI (WebLLM)
AI Text Detector
Detect AI-generated text using ModernBERT ONNX model
AI Image Generator
Generate images from text prompts using SD-Turbo and Janus-Pro-1B models with WebGPU
Image Caption Generator
Generate AI-powered captions for images using vit-gpt2-image-captioning model
Image OCR
Extract text from images using OCR (Optical Character Recognition) with Tesseract.js
Video Slideshow Generator
Generate video slideshows from text with AI images and voice narration
AI Music Generator
Generate music from text prompts using MusicGen-small ONNX models
Text Summarizer
Summarize text using AI with WebLLM models
Text to Speech
Convert text to speech with various voices and download audio files
Image Tools
Image to PDF
Convert images (JPG, PNG, GIF, WebP) to PDF files with customizable page settings
Image Format Converter
Convert images between PNG, JPEG, WebP, SVG, and ICO formats
Image Resizer
Resize images while preserving aspect ratio
Image Compressor
Compress JPEG and PNG images to reduce file size
Color Extractor
Extract colors from images and convert between color formats
Image Metadata Viewer
View EXIF and other metadata from images
Image Cropper
Crop images with a visual interface
Background Remover
Remove backgrounds from images using color-based techniques
Image Blur Tool
Blur parts of images or apply blur effects
Image Watermark Tool
Add text or image watermarks to images
Converter Tools
CSV/TSV Converter
Convert between CSV, TSV, and JSON formats
Video Format Converter
Convert videos between MP4, WebM, AVI, MOV, and MKV formats
Video Editor
Trim, rotate, adjust speed, add filters, and edit videos directly in your browser
Extract Audio from Video
Extract audio tracks from video files and save as MP3, WAV, AAC, and other audio formats
Audio Format Converter
Convert audio files between MP3, WAV, OGG, M4A, FLAC, AAC, and Opus formats
Audio Stem Separator
Separate audio into stems (drums, bass, vocals, other) using Demucs AI model
Unit Converter
Convert between hundreds of units across length, area, volume, mass, time, temperature, speed, energy, and more
Dev Tools
Base64 Encode/Decode
Encode and decode Base64 strings with URL-safe option
URL Encode/Decode
Encode and decode URL strings locally
Markdown Editor
Edit Markdown with live preview and HTML export
HTML Entity Encoder/Decoder
Convert special characters to/from HTML entities
String Case Converter
Convert text between camelCase, snake_case, kebab-case, and more
Text Statistics
Analyze word count, character count, reading time, and keyword density
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text with customizable options
Slug Generator
Convert text to URL-friendly slugs for SEO and filenames
Password Generator
Generate secure passwords with customizable options
Text Diff
Compare two texts side-by-side with word/char granularity
Regex Tester
Test regular expressions with match highlighting and groups
Code Minifier
Minify JavaScript, CSS, and HTML code to reduce file size
Code Beautifier
Beautify and format JavaScript, CSS, and HTML code
Hash Generator
Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes
UUID Generator
Generate UUIDs in versions 1, 2, 3, 4, and 5
JWT Decoder
Decode JWT tokens to view header, payload, and signature
Data Formats
JSON Validator
Validate JSON with instant feedback and error pointers
JSON Formatter
Format and beautify JSON with customizable indentation
JSON Schema Validator
Validate JSON against JSON Schema locally
JSON Schema Generator
Generate JSON Schema from JSON data locally
JSON ↔ YAML ↔ TOML
Convert between JSON, YAML, and TOML formats
OpenAPI Viewer
View and explore OpenAPI/Swagger specifications locally
YAML Validator
Validate YAML syntax with instant feedback
SQL Formatter
Format and beautify SQL queries with customizable indentation
XML Validator & Formatter
Validate and format XML documents with proper indentation
Time Tools
Time & Timezone Parser
Parse times, normalize to UTC, and convert across common time zones
Unix Timestamp Converter
Convert Unix timestamps to dates and vice versa
ISO 8601 Parser
Parse and format ISO 8601 date strings
Date Calculator
Calculate differences between dates and add/subtract time
Cron Expression Generator
Generate and validate cron expressions
Utilities
Random Number Generator
Generate random numbers with customizable range and count
List Shuffler
Shuffle lists of items with customizable delimiters
Calculator
Simple, advanced, and scientific calculator with history and memory functions
BMI Calculator
Calculate Body Mass Index with basic measurements or advanced body composition metrics
Loan Calculator
Calculate loan and mortgage payments with detailed amortization schedule. Export to Excel format.
Notes
Create and manage notes saved locally. Download individual notes or all as ZIP
Vocal Remover
Remove vocals from audio tracks using center channel extraction
Color Contrast Checker
Check color contrast ratios for WCAG accessibility compliance
Compression Estimator
Estimate gzip and brotli compression sizes
Mock Data Generator
Generate mock JSON data from JSON Schema
QR Code Generator
Generate QR codes from text or URLs
QR Code Scanner
Scan QR codes from webcam or uploaded images
Barcode Generator
Generate various barcode formats
Timer & Stopwatch
Simple timer and stopwatch with countdown and elapsed time tracking
Pomodoro Timer
Pomodoro technique timer for focused work sessions with breaks
IP Address Tools
IP address lookup, subnet calculator, and IP address utilities
User Agent Parser
Parse and analyze user agent strings
MIME Type Checker
Check MIME types for files and extensions
Frequently Asked Questions
Is my data sent to a server?
No. All processing happens entirely in your browser.
Do I need to create an account?
No. All tools work without any registration or login.
Can I use these tools offline?
Yes, once loaded, most tools work offline. We're working on full PWA support.
Are these tools free?
Yes, all tools are completely free and open source.