All tools
85 tools across 10 categories — all free, no sign-up, and processed locally in your browser.
Images
Convert, compress, resize and edit images
JPG to WebP
Convert JPG and JPEG images to modern WebP format with high quality and small file size.
PNG to WebP
Convert PNG images to WebP format for smaller file sizes with transparency support.
WebP to JPG
Convert WebP images to JPG format for maximum compatibility.
WebP to PNG
Convert WebP images to PNG format with full transparency support.
PNG to JPG
Convert PNG images to JPG format. Transparency is replaced with a white background.
Compress Image
Reduce the file size of JPG, PNG, and WebP images while maintaining good visual quality.
Resize Image
Resize images to specific dimensions while maintaining aspect ratio.
Rotate Image
Rotate images by 90°, 180°, 270° or a custom angle. Perfect for fixing orientation issues.
Flip Image
Flip images horizontally or vertically. Useful for correcting mirrored photos.
Image Filters
Apply filters and effects to images: grayscale, sepia, invert, blur, brightness, contrast and more.
Favicon Generator
Generate a favicon.ico file with multiple sizes from any image. Perfect for website icons.
Social Image Optimizer
Resize images to optimal dimensions for social media platforms. Instagram, LinkedIn, Twitter, Facebook and YouTube presets.
JPG to PNG
Convert JPG and JPEG images to PNG format with lossless quality.
Crop Image
Crop images to specific dimensions by pixel position, with an optional centered square mode.
Add Watermark to Image
Overlay a text watermark on images with configurable position, size, and opacity.
Merge, split, compress and transform PDF files
Merge PDF
Combine multiple PDF files into a single document. Reorder pages before merging.
Split PDF
Extract pages or split a PDF into multiple files by page ranges.
Compress PDF
Reduce PDF file size while maintaining quality. Removes unnecessary data, fonts, and metadata.
Rotate PDF Pages
Rotate all pages or specific pages in a PDF by 90°, 180°, or 270°. Useful for fixing scanned documents.
PDF to Images
Convert PDF pages to PNG or JPEG images. Each page becomes a separate image file.
Extract Images
Extract all images embedded in a PDF. Images are saved with their original format preserved.
Images to PDF
Combine JPG, PNG, or WebP images into a single PDF — one image per page, in your chosen order.
PDF to Text
Extract all text content from a PDF file, page by page, entirely in your browser.
Files
Archives, checksums, encoding and file utilities
Create ZIP
Compress multiple files into a single ZIP archive.
Extract ZIP
Extract files from a ZIP archive and download them individually or as separate files.
Password ZIP
Create a password-protected ZIP archive. Files are encrypted with AES-256 for maximum security.
Decrypt Encrypted ZIP
Unlock and restore files from a Password ZIP archive. AES-256-GCM decryption happens entirely in your browser.
Checksum Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes for any file. Verify data integrity instantly.
File Metadata
View detailed metadata for any file: type, size, MIME type, last modified date and more.
Developer
JSON, Base64, UUID, hashing and dev tools
JSON Formatter
Format, beautify and validate JSON. Indent with 2 or 4 spaces and catch syntax errors.
JSON Minifier
Minify JSON by removing all unnecessary whitespace. Reduces file size for production.
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text. Supports UTF-8.
UUID Generator
Generate UUIDs across every version — v1 (time-based), v3 (MD5 namespaced), v4 (random), v5 (SHA-1 namespaced), v6 (reordered time) and v7 (timestamp-sortable).
URL Encode / Decode
Encode text for safe use in URLs or decode URL-encoded strings.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text input.
JSON Schema Generator
Generate a JSON Schema from sample JSON data. Infer types, formats, required fields and more.
YAML Formatter
Format and validate YAML. Detect syntax errors and format with proper indentation.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT). View header, payload and signature separately.
Cron Expression Parser
Parse and validate cron expressions. See the next execution times and human-readable description.
XML Formatter
Format, beautify and validate XML. Fix indentation and detect syntax errors.
JSON Validator
Validate JSON syntax and pinpoint the exact line and position of any error.
JSON Diff
Compare two JSON documents and see every added, removed, or changed value side by side.
Password Generator
Generate cryptographically secure passwords with custom length, character sets, and strength estimation.
HMAC Generator
Generate HMAC signatures (SHA-1/256/384/512) from a message and secret key using WebCrypto — nothing leaves your browser.
Text
Count, format, transform and clean text
Word Counter
Count words, characters, sentences, paragraphs and estimate reading time.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.
Slug Generator
Convert text into URL-friendly slugs. Great for blog posts and page URLs.
Whitespace Cleaner
Remove extra spaces, tabs, blank lines and trim whitespace from text.
Markdown to HTML
Convert Markdown to HTML. Supports headings, lists, links, code blocks, tables and inline formatting.
HTML to Markdown
Convert HTML to Markdown. Extracts clean Markdown from HTML documents, stripping scripts and styles.
HTML Minifier
Minify HTML by removing comments, whitespace, and optional attributes. Reduces file size for production.
Text Diff
Compare two texts and highlight differences. See additions, deletions and modifications line by line.
Encrypt Text
Encrypt or decrypt text with a password using AES-256-GCM. Share the encrypted message safely — only the password holder can read it.
Sort Lines
Sort text lines alphabetically, numerically, by length, or shuffle them randomly.
Remove Duplicate Lines
Deduplicate text lines with optional case-insensitive and whitespace-trim matching.
Find & Replace
Replace text or regex patterns across your input with live match counting.
HTML Encode/Decode
Convert special characters to HTML entities, or decode entities back to plain text.
Lorem Ipsum Generator
Generate placeholder text as paragraphs, sentences, or words with the classic opening.
Data
Convert between CSV, JSON, XML and YAML
CSV to JSON
Convert CSV data to JSON format. Support for headers and nested objects.
CSV to XML
Convert CSV data to XML format. Support for headers and nested objects with proper escaping.
XML to JSON
Convert XML data to JSON format. Support for nested elements and attributes.
JSON to XML
Convert JSON data to XML format. Supports nested objects, arrays, and custom root element.
JSON to TOML
Convert JSON objects to TOML format. Handles nested structures, arrays, and primitive values.
TOML to JSON
Convert TOML data to JSON format. Supports nested tables, arrays, and all TOML data types.
JSON to URL Query
Convert a JSON object into a URL query string. Supports nested objects and multiple array formats.
URL Query to JSON
Convert a URL query string into a JSON object. Supports nested keys, arrays, and configurable depth.
JSON to JSON Schema
Generate a draft-07 JSON Schema from a JSON sample. Infers types, properties, required fields, and string formats.
JSON to SQL
Generate CREATE TABLE and INSERT statements from a JSON array. Supports PostgreSQL, MySQL, and SQLite dialects.
JSON to YAML
Convert JSON data to YAML format. Supports arrays of objects and nested structures with proper indentation.
YAML to JSON
Convert YAML data to JSON format. Support for nested structures and complex data types.
JSON to CSV
Convert JSON data to CSV format. Supports arrays of objects with flexible formatting.
Web
QR codes, URLs, meta tags and web utilities
QR Code Generator
Generate styled QR codes for URLs, text, Wi-Fi, email, phone, SMS and vCards. Add logos, gradients and custom dot styles, then download as PNG, JPEG, WEBP or SVG.
Barcode Generator
Generate every major barcode type — Code 128, EAN, UPC, ITF, GS1 DataBar, Data Matrix, PDF417, Aztec, postal and healthcare codes. Style colors, size, rotation and text, then download as PNG, JPEG, WEBP or SVG.
Meta Tag Generator
Generate SEO-friendly HTML meta tags for your website. Includes Open Graph, Twitter Cards and standard meta tags.
Robots.txt Generator
Generate a robots.txt file for your website. Control which pages search engines can crawl.
Sitemap Generator
Generate an XML sitemap for your website. Just enter your URLs and get a ready-to-submit sitemap.xml.
Colors
Convert, pick and analyze colors
Color Converter
Convert any color to any format — hex to RGB, RGB to hex, oklch to hex, and more. Paste any CSS color and get all formats at once.
CSS Color Vars Converter
Paste a block of CSS custom properties and batch-convert every color value to OKLCH, HEX, RGB or HSL — non-color values stay untouched.
Contrast Checker
Check WCAG color contrast ratios between two colors for accessibility compliance.
Date & Time
Timestamps, timezones and date calculators
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa across timezones.
Timezone Converter
Convert a date and time across all common timezones at once, using your browser's IANA timezone data.
Date Difference Calculator
Calculate the exact duration between two dates in years, months, days, weekdays, hours and minutes.
Age Calculator
Calculate exact age in years, months and days, plus total days lived and days until the next birthday.
Converters
Units, data sizes and general conversion
