All Tools
Browse our collection of developer tools
PDF & Documents
(10)PDF Splitter
Split PDF files into individual pages or custom page ranges. Extract specific pages, separate chapters, or divide large documents into smaller files for easy sharing and management.
PDF Merger
Merge multiple PDF files into a single document instantly. Combine contracts, reports, invoices, and any PDF documents with drag-and-drop reordering. Preserves original quality and formatting.
HTML to PDF
Convert HTML content or web pages to PDF documents with CSS styling support. Generate printable reports, invoices, certificates, and documentation from HTML templates with custom page sizes and margins.
PDF to Text
Extract text content from PDF documents instantly. Copy text from contracts, ebooks, research papers, and any PDF file. Preserves paragraph structure for easy editing and analysis.
PDF to Images
Convert PDF pages to high-quality PNG or JPEG images. Extract pages as images for presentations, social media, thumbnails, or archiving. Adjustable resolution and quality settings.
PDF Compressor
Compress PDF files to reduce file size by up to 80% while maintaining readable quality. Optimize PDFs for email attachments, web uploads, and storage. Multiple compression levels available.
PDF Password Protect/Remove
Add or remove password protection from PDF files. Encrypt sensitive documents with AES-256 encryption or unlock password-protected PDFs. Set permissions for printing, copying, and editing.
Image OCR to Text
Extract text from images using advanced optical character recognition (OCR). Convert photos of documents, screenshots, scanned papers, receipts, and handwritten notes into editable, searchable text.
Bulk File Renamer
Rename multiple files at once with custom patterns, sequential numbering, find-and-replace, and date formatting. Organize photos, documents, and downloads with consistent naming conventions.
Code Formatter
Format and beautify code in 15+ languages using Prettier. Auto-indent JavaScript, TypeScript, CSS, HTML, JSON, Python, SQL, and more. Configurable tab size, quotes, and semicolons.
Image Tools
(15)Image Compressor
Compress images to reduce file size by up to 90% while maintaining visual quality. Optimize JPEG, PNG, WebP, and GIF images for faster websites, email attachments, and storage savings.
Image Resizer
Resize images to exact pixel dimensions or percentage with aspect ratio lock. Scale photos for social media, websites, printing, or any custom size requirement instantly.
Image Cropper
Crop images with preset aspect ratios (16:9, 4:3, 1:1, 9:16) or custom freeform selections. Perfect for social media posts, profile pictures, thumbnails, and removing unwanted areas from photos.
Image Format Converter
Convert images between JPEG, PNG, WebP, GIF, and BMP formats instantly. Change image formats for compatibility, file size optimization, or transparency support requirements.
Image to Base64
Convert images to Base64 encoded strings for embedding directly in HTML, CSS, or JavaScript. Generate data URLs for inline images, reduce HTTP requests, and embed images in code.
Base64 to Image
Convert Base64 encoded strings back to downloadable images. Decode data URLs from HTML, CSS, or APIs into viewable and saveable image files instantly.
Favicon Generator
Generate favicons in all required sizes (16x16, 32x32, 48x48, 180x180, 512x512) from a single image. Create ICO files, Apple touch icons, and Android icons with ready-to-use HTML code.
Placeholder Image Generator
Generate placeholder images with custom dimensions, colors, and text for mockups, wireframes, and development. Create dummy images instantly without external services.
Avatar Generator
Generate avatar images from names or initials with customizable colors, shapes (circle, square, rounded), and sizes. Create profile pictures, user icons, and default avatars instantly.
SVG to PNG Converter
Convert SVG vector graphics to PNG raster images with customizable scale (1x to 8x). Export SVG icons, logos, and illustrations as high-resolution PNG files for use anywhere.
EXIF Data Viewer
View EXIF metadata from photos including camera model, lens, aperture, shutter speed, ISO, GPS location, date taken, and 50+ other properties. Analyze photo settings and history.
Image Dimensions Checker
Check image dimensions, aspect ratio, file size, format, and resolution instantly. Verify images meet size requirements for social media, print, or web with preset comparisons.
Bulk Image Renamer
Rename multiple images at once with custom patterns, sequential numbering, date formatting, and dimension-based naming. Organize photo collections with consistent naming conventions.
Image Watermark
Add text or image watermarks to protect your photos and brand your content. Customize position, opacity, size, rotation, and tiling for professional watermark placement.
Social Image Optimizer
Resize and optimize images for social media platforms, official documents, photography prints, and device screens with 40+ presets.
Text & Data
(23)JSON Formatter
Format, validate, and beautify JSON data instantly with syntax highlighting. Parse minified JSON, fix formatting issues, and visualize JSON structure with tree view for debugging APIs and config files.
JSON Minifier
Minify JSON data by removing whitespace, line breaks, and indentation to reduce file size by up to 60%. Compress JSON for production APIs, faster data transfer, and optimized storage.
JSON to CSV Converter
Convert JSON arrays and objects to CSV spreadsheet format instantly. Export API responses, database exports, and structured data to Excel-compatible CSV files with custom delimiters and header options.
CSV to JSON Converter
Convert CSV spreadsheet data to JSON format with automatic type detection for numbers, booleans, and dates. Import Excel exports, database dumps, and tabular data into JSON arrays for APIs and applications.
XML to JSON Converter
Convert XML documents to JSON format with intelligent attribute handling, namespace support, and nested element preservation. Transform SOAP responses, RSS feeds, and XML configs into modern JSON structures.
JSON to XML Converter
Convert JSON objects and arrays to well-formed XML documents with attribute support, proper escaping, and customizable formatting. Transform API responses, config files, and data structures into XML for legacy systems and SOAP services.
YAML to JSON Converter
Convert between YAML and JSON formats bidirectionally. Transform Kubernetes configs, Docker Compose files, CI/CD pipelines, and configuration files between human-readable YAML and machine-friendly JSON.
JSON to YAML Converter
Convert JSON objects and arrays to clean, human-readable YAML format. Transform API responses, configuration files, and data structures into YAML for Kubernetes, Docker Compose, Ansible, and DevOps workflows.
Markdown to HTML
Convert Markdown to clean, semantic HTML with live preview. Transform README files, documentation, blog posts, and notes into web-ready HTML with syntax highlighting, tables, and GFM support.
HTML to Markdown
Convert HTML to clean, readable Markdown format. Transform web pages, rich text, email content, and CMS exports into portable Markdown for documentation, GitHub, and static site generators.
Text Diff Checker
Compare two texts and highlight differences line-by-line and character-by-character. Find changes between code versions, document revisions, and configuration files with unified diff output.
Word Counter
Count words, characters (with/without spaces), sentences, paragraphs, and calculate reading/speaking time. Analyze text density, keyword frequency, and readability for SEO content optimization.
Case Converter
Convert text between 12+ case formats: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, and more for programming and writing.
Remove Duplicate Lines
Remove duplicate lines from text with case-sensitive/insensitive matching, whitespace trimming, and empty line handling. Clean up lists, log files, data exports, and email lists instantly.
Sort Lines
Sort lines alphabetically, numerically, or naturally (human-friendly). Supports ascending/descending order, case-sensitive sorting, reverse sort, and random shuffle for lists and data.
Reverse Text
Reverse text by characters, words, or lines. Create mirror text, flip text upside down, check palindromes, and generate backwards text for creative projects and puzzles.
String Manipulation
Comprehensive string manipulation toolkit: trim whitespace, pad strings, truncate text, slugify URLs, escape/unescape characters, extract substrings, and perform 15+ text operations for developers.
Text to JSON Converter
Convert plain text to JSON with simple or advanced modes. Simple mode: bidirectional text/JSON conversion. Advanced mode: auto-detect CSV/tables, key-value pairs, nested structures with smart type detection for numbers, booleans, and nulls.
Text to YAML Converter
Convert plain text to YAML with simple or advanced modes. Simple mode: bidirectional text/YAML conversion. Advanced mode: auto-detect CSV/tables, key-value pairs, nested structures for DevOps configs like Kubernetes and Docker Compose.
Text to CSV Converter
Convert plain text to CSV format and vice versa. Transform text lines to CSV rows with headers and proper escaping. Bidirectional conversion with export.
Text to HTML Converter
Convert plain text to HTML with simple or advanced modes. Simple mode: bidirectional text/HTML conversion with paragraph wrapping. Advanced mode: auto-detect tables, lists, key-value pairs with semantic HTML output and live preview.
Text to Markdown Converter
Convert plain text to Markdown format and vice versa. Transform text lines to bullet or numbered lists. Strip Markdown formatting to plain text. Bidirectional conversion.
Text to XML Converter
Convert plain text to XML with simple or advanced modes. Simple mode: bidirectional text/XML conversion with custom element names. Advanced mode: auto-detect CSV/tables, key-value pairs, nested structures for well-formed XML documents.
Compilers & Playgrounds
(5)JavaScript Playground
Run JavaScript code online instantly. Free browser-based JS compiler with console output, syntax highlighting, DOM manipulation, and code sharing. No signup required. Perfect for learning, testing, and prototyping.
HTML/CSS Playground
Live HTML, CSS, and JavaScript editor with instant preview. Build and test responsive web pages in your browser. Load external frameworks like Tailwind, Bootstrap. Free, no signup required.
TypeScript Playground
Run TypeScript code online with real-time type checking and transpilation. See compiled JavaScript, type errors with suggestions, and console output. Free browser-based TS 5.3 compiler.
Markdown Editor
Write and preview Markdown with live rendering. Full GitHub Flavored Markdown support including tables, task lists, code blocks with syntax highlighting. Export to HTML, auto-generate TOC. Free online editor.
Python Playground
Run Python 3.11 code online in your browser using Pyodide (WebAssembly). NumPy pre-loaded, install pandas, scipy, and more. Free Python compiler with console output and code sharing. No installation required.
Web Development
(20)Regex Tester & Builder
Test and build regular expressions with live matching, capture groups, and code generation for JavaScript, Python, and PHP.
Cron Expression Generator
Build and validate cron expressions with visual builder, multiple formats (Unix, Quartz, AWS), code snippets for 9 platforms, and next run time preview.
HTML Minifier
Advanced HTML minifier with 16 optimization options, preset modes, inline CSS/JS minification, HTML validation, beautifier, and detailed compression statistics.
CSS Minifier
Advanced CSS minifier with 12 optimization options, color optimization, selector merging, CSS analysis with selectors, colors, and variables extraction.
JavaScript Minifier
Advanced JavaScript minifier with 6 optimization options, console/debugger removal, boolean shortening, code analysis with functions, variables, and pattern detection.
XML Formatter & Minifier
Advanced XML formatter and minifier with 8 formatting options, preset modes, attribute sorting, CDATA preservation, tree view visualization, and detailed document analysis.
SQL Formatter & Minifier
Advanced SQL formatter and minifier with 7 dialect support (MySQL, PostgreSQL, SQLite, SQL Server, Oracle, BigQuery), preset modes, table/column extraction, and 12 query templates.
.htaccess Generator
Advanced .htaccess generator with 5 presets (Basic, WordPress, Security, Performance, SPA), 30+ configuration options for redirects, caching, compression, security headers, HSTS, CSP, bot blocking, IP blocking, password protection, CORS, and PHP settings.
robots.txt Generator
Advanced robots.txt generator with 7 presets (Allow All, Block All, Standard, WordPress, E-commerce, Block AI, Block SEO), 50+ user agents organized by category, common path templates, import/parse existing files, and validation.
Sitemap.xml Generator
Advanced sitemap generator with 5 types (Standard, Index, Image, Video, News), 5 presets, bulk URL import, validation, and detailed statistics for SEO optimization.
Meta Tag Generator
Generate HTML meta tags for SEO, social sharing, and search engine optimization. Includes Open Graph, Twitter Cards, and all essential meta tags.
Open Graph Generator
Generate Open Graph meta tags for social media sharing on Facebook, LinkedIn, Pinterest, and Discord with live preview.
Twitter Card Generator
Generate Twitter Card meta tags for rich tweet previews. Support for Summary, Summary Large Image, Player, and App cards.
Schema.org Markup Generator
Advanced JSON-LD structured data generator with 15 schema types (Article, Product, FAQ, LocalBusiness, Recipe, Event, JobPosting, HowTo, Course, Review, and more), 10 presets, real-time validation with quality scoring, and Google Rich Results Test integration.
CSS Grid Generator
Advanced visual CSS Grid builder with layout templates, item placement, responsive breakpoints, and multi-format code export to CSS, Tailwind, SCSS, and HTML.
Flexbox Generator
Visual Flexbox playground with live preview. Configure flex container and item properties, see results instantly, and export CSS code.
Box Shadow Generator
Advanced CSS box-shadow generator with 25+ presets (Material Design, Tailwind, Neumorphism, Glow effects), multiple layers, color picker with opacity, customizable preview, and 4 output formats (CSS, Tailwind, SCSS, React).
Border Radius Generator
Create CSS border-radius with individual corner control. Make circles, pills, rounded rectangles, and custom shapes with live preview.
CSS Gradient Generator
Create CSS gradients with multiple color stops. Support for linear, radial, and conic gradients with live preview and code export.
Keyframe Animation Generator
Create CSS keyframe animations with visual timeline editor. Configure duration, timing, iterations, and export animation code.
Color Tools
(10)Color Picker
Pick colors and convert between HEX, RGB, HSL, HSV, and CMYK formats. Visual color selection with eyedropper tool support.
Color Palette Generator
Generate harmonious color palettes using color theory. Create complementary, analogous, triadic, and more color schemes.
Gradient Generator
Create beautiful CSS gradients with live preview. Support for linear, radial, and conic gradients with multiple color stops.
HEX to RGB Converter
Convert HEX color codes to RGB values instantly. Support for 3-digit and 6-digit HEX codes with transparency.
RGB to HEX Converter
Convert RGB values to HEX color codes instantly. Support for RGBA transparency conversion.
Color Shade/Tint Generator
Generate shades and tints of any color for design systems. Create complete color scales like Tailwind CSS.
Color Contrast Checker
Check WCAG color contrast ratios for accessibility. Verify AA and AAA compliance for text and UI components.
Color Blindness Simulator
Advanced color blindness simulator with image processing, palette testing, and WCAG contrast checking for all vision types including protanopia, deuteranopia, and tritanopia.
CSS Color Names Reference
Browse and search all 147 CSS named colors with HEX and RGB values. Complete reference for web developers.
Random Color Generator
Generate random colors and palettes with customizable options. Create pastel, vibrant, warm, cool, or harmonious color combinations.
Encoders & Decoders
(12)Base64 Encoder/Decoder
Encode and decode Base64 data instantly. Convert text, files, and images to Base64 format for embedding in HTML, CSS, JSON, and APIs. Supports URL-safe Base64 and handles Unicode characters.
URL Encoder/Decoder
Encode and decode URLs and URL components with percent-encoding. Convert special characters, Unicode, and query parameters to URL-safe format. Supports both full URL and component encoding modes.
HTML Entity Encoder/Decoder
Encode and decode HTML entities for safe display and XSS prevention. Convert special characters to named entities (&) or numeric entities (&). Essential for displaying code snippets and user input safely.
JWT Decoder
Decode and inspect JWT tokens without verification. View header, payload, claims, and expiration status. Debug authentication tokens from OAuth, OpenID Connect, and API authorization systems.
Base32 Encoder/Decoder
Encode and decode Base32 data for TOTP authenticator apps, case-insensitive systems, and human-readable encoding. Supports standard Base32 and Base32 Hex variants.
Hex to Text Converter
Convert between hexadecimal and text bidirectionally. Decode hex strings to readable text or encode text to hex format. Supports multiple separators, 0x prefix, and UTF-8 Unicode characters.
Binary to Text Converter
Convert between binary and text bidirectionally. Decode binary strings (01001000) to readable text or encode text to binary format. Learn binary encoding with visual byte representation.
ASCII Converter
Convert text to ASCII codes and vice versa. View character codes in decimal, hexadecimal, binary, and octal formats. Includes interactive ASCII table reference for all 128 characters.
ROT13 Encoder/Decoder
Encode and decode text using ROT13 letter substitution cipher. Self-inverse transformation for hiding spoilers and puzzle answers. Supports custom rotation amounts and ROT47 variant.
Morse Code Translator
Translate text to Morse code and back with audio playback. Convert messages to dots and dashes, play as audio tones. Includes Morse code alphabet reference chart.
Unicode Converter
Convert text to Unicode code points in multiple formats. View characters as U+XXXX, \uXXXX JavaScript escapes, HTML entities, and UTF-8 bytes. Analyze emoji and international characters.
Punycode Converter
Convert internationalized domain names (IDN) to Punycode ASCII format. Encode Unicode domains for DNS, decode xn-- domains to readable text. Essential for international domain registration.
Hash & Crypto
(8)Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text or files. Create checksums for file verification, data integrity, and security applications.
MD5 Hash Generator
Generate MD5 hashes from text or files instantly. Create 128-bit (32 character) MD5 checksums for file verification, cache keys, and legacy system compatibility. Note: MD5 is not secure for cryptographic purposes.
SHA-1 Hash Generator
Generate SHA-1 hashes from text or files instantly. Create 160-bit (40 character) SHA-1 checksums for Git compatibility and legacy systems. Note: SHA-1 is deprecated for security use.
SHA-256 Hash Generator
Generate secure SHA-256 hashes from text or files instantly. Create 256-bit (64 character) cryptographic hashes for security applications, file verification, and blockchain. The industry standard for secure hashing.
SHA-512 Hash Generator
Generate maximum-security SHA-512 hashes from text or files instantly. Create 512-bit (128 character) cryptographic hashes for high-security applications requiring the strongest hash protection.
HMAC Generator
Generate HMAC authentication codes with SHA-256, SHA-512, and other algorithms. Create keyed-hash message authentication codes for API authentication, JWT signing, and secure message verification.
Hash Checker/Verifier
Verify file integrity by comparing hashes. Auto-detect MD5, SHA-1, SHA-256, SHA-512 algorithms. Confirm downloads weren't corrupted or tampered with by comparing computed hashes against expected values.
AES Encryption/Decryption
Encrypt and decrypt text using AES-256-GCM with password-based key derivation. Military-grade encryption that runs entirely in your browser.
Generators
(11)Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text.
Fake Data Generator
Generate realistic fake data for testing.
QR Code Generator
Generate QR codes for URLs, text, WiFi credentials, vCards, and more. Customize colors, add logos, adjust error correction. Download as PNG or SVG.
QR Code Scanner
Scan and decode QR codes from images or camera. Read URLs, text, WiFi credentials, vCards instantly. Works offline, no app needed.
Barcode Generator
Generate barcodes in CODE128, CODE39, EAN-13, EAN-8, UPC-A, UPC-E, ITF-14, and more formats. Create product barcodes, inventory labels, shipping codes instantly.
Barcode Scanner
Scan and decode barcodes from images or camera. Read CODE128, EAN, UPC, CODE39, and more formats. Extract product codes, inventory numbers instantly.
Password Generator
Generate secure random passwords with customizable length, character types, and strength analysis. Create strong passwords instantly.
Random String Generator
Generate cryptographically secure random strings with custom charsets, prefixes, and bulk generation. Create tokens, API keys, and unique IDs.
UUID Generator
Generate UUIDs in v1, v4, v5, and v7 formats. Create universally unique identifiers for databases, APIs, and distributed systems.
Password Strength Checker
Check password strength with detailed analysis. Get entropy score, crack time estimate, and security improvement suggestions.
Prompt Studio
The workspace where prompt engineers live. Organize, version, and deploy AI prompts with variables, folders, templates, and workflows. 100% offline, zero API costs, complete privacy.