Free Online Toolbox
Image, PDF, text and audio/video tools. All processing happens locally in your browser β private, no signup required
Image Tools
Compress, convert, crop and resize images
Image Compressor
Upload your images, choose quality and format, we compress locally to protect your privacy
Image Converter
Free online image format converter β convert between JPG, PNG, and WebP. 100% private, all processing happens in your browser
Image Cropper
Upload an image, drag the crop box freely, choose from multiple ratios with live preview. 100% private, all in your browser
Image Resizer
Batch resize images by width/height or percentage. 100% private, all processing happens in your browser
Image Watermark
Add text watermarks to images with 9-grid positions, tile mode, and full style control. 100% private, all processing in your browser
Image Rotator
Rotate and flip images by 90, 180, or 270 degrees with live preview. 100% private, all processing in your browser
Image Collage
Combine multiple photos into one image with horizontal, vertical, or grid layouts. 100% private, all processing in your browser
Image Palette
Extract dominant colors and pick any pixel from an image as HEX and RGB. 100% private, all processing in your browser
Image Flipper
Mirror images horizontally or vertically with live preview. 100% private, all processing in your browser
PDF Tools
Image to PDF, merge PDFs
Image to PDF
Merge multiple images into a single PDF with reordering and page settings. 100% private, all processing in your browser
PDF Merge
Merge multiple PDF files into one document with reordering and page count. 100% private, all processing in your browser
PDF Split
Split PDF by page ranges or each page into separate files. 100% private, all processing in your browser
Text Tools
Base64, JSON, hash generator
Word Counter
Count characters, words, lines, paragraphs, and reading time in real time. 100% private, all processing in your browser
Case Converter
Convert text between seven naming and casing styles at once. 100% private, all processing in your browser
Lorem Generator
Generate placeholder text by words, sentences, or paragraphs instantly. 100% private, all processing in your browser
List Sorter
Sort, deduplicate and clean up multi-line text with numeric sorting and case options. 100% private, all processing in your browser
Markdown Preview
Write Markdown on the left, watch it render on the right. Full GFM support and HTML source view. 100% private, all processing in your browser
Text to Speech
Multi-language voices, adjustable rate and pitch, long text chunked automatically, synthesized locally in your browser
Emoji Remover
Strip emojis, flags and zero-width characters from text with live removal statistics, all processed locally
Text Diff
Compare two texts line by line with char-level highlighting and stats. 100% private, all processing in your browser
Audio & Video
Video compression, audio extraction
Color Tools
Color picker, format converter
Converter Tools
CSV/JSON, Base32, Morse code format conversion
QR Generator
Generate QR codes from text or URLs with size, color, and error correction control. Export as PNG or SVG. 100% private
CSV JSON Converter
Convert between CSV and JSON with custom delimiters and header control. 100% private, all processing in your browser
Base32 Codec
Encode and decode Base32 with UTF-8 support and instant two-way conversion. 100% private, all processing in your browser
Text Binary
Convert text to binary and back with UTF-8/ASCII and custom separators. 100% private, all processing in your browser
Morse Code
Translate text to morse code and back with custom letter and word separators. 100% private, all processing in your browser
JSON YAML
Convert JSON to YAML and back with full fidelity β nested objects, arrays and all data types preserved. 100% private, all processing in your browser
Image to Base64
Convert images to Data URL or pure base64, with preview, copy and download, fully client-side for privacy
Math Tools
Percentages, BMI, dates, unit conversions and more
Unit Converter
Convert across 7 categories: length, weight, temperature, area, volume, speed, and data. 100% private, all processing in your browser
Number Base
Convert between binary, octal, decimal, hexadecimal and any base from 2 to 36. Supports fractions and huge integers, 100% private, all processing in your browser
Roman Numerals
Convert integers to roman numerals and back, supports 1-3999, strictly follows standard subtractive notation, fully client-side
Random Number
Custom range and quantity, unique and sorting options, 100% client-side generation for privacy
Percent Calculator
Three modes - percentage of, what percent, and percent change - real-time calculation, fully client-side
Date Calculator
Date difference and add/subtract days, with automatic leap year and weekday handling, fully client-side
BMI Calculator
Enter your height and weight to get your BMI and health category per WHO standards, with both metric and imperial units supported
GCD & LCM
Enter multiple integers to get the greatest common divisor, least common multiple and prime factorization at once
Angle Converter
Convert between degrees, radians, gradians, turns, arcminutes and arcseconds in real time with a full comparison table
Developer Tools
JSON, regex, encoding, hashing and other dev tools
Base64 Codec
Encode and decode Base64 with UTF-8, URL-safe option, and file-to-Base64. 100% private, all processing in your browser
JSON Formatter
Beautify, minify, and validate JSON data with multiple indent options and key sorting. 100% private, all processing in your browser
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files. 100% private, all processing in your browser
Password Generator
Generate strong random passwords with length, charset, and strength control. 100% private, all processing in your browser
URL Encoder
Encode and decode URLs with full-encode mode and UTF-8 support. 100% private, all processing in your browser
UUID Generator
Generate UUID v4 identifiers in batch with uppercase and hyphens options. 100% private, all processing in your browser
HTML Escape
Escape and unescape HTML entities with a single click. 100% private, all processing in your browser
Regex Tester
Test regular expressions with live highlighting, flags, and replacement preview. 100% private, all processing in your browser
Slug Generator
Turn titles into clean, SEO-friendly URL slugs with custom separators and length. 100% private, all processing in your browser
ROT Cipher
ROT13, ROT5, ROT47 and custom-shift Caesar cipher - encrypt and decrypt in one click, all processed locally
Timestamp Converter
Convert between Unix timestamps and dates with multi-format output. 100% private, all processing in your browser
IP Calculator
Enter a CIDR block or subnet mask to get the network, broadcast and usable host range instantly. 100% private, all processing in your browser
Card Validator
Verify card numbers with the Luhn algorithm, detect card networks and formatting, all processed locally in your browser
Frontend only
All file processing happens locally in your browser, no server uploads
Batch processing
Upload and process multiple files at once to boost productivity
Completely free
No registration, no payment, open and use instantly