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Free, fast, and private. Format code, compress images, generate passwords, build docker templates, test regex — 98 tools in 9 categories, all in your browser.
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Popular 6 toolsJSON Formatter & Validator
Free online JSON formatter and validator with syntax highlighting. Paste minified JSON and instantly beautify, validate, or minify it — no login required, works entirely in your browser.
Image Compressor & WebP Converter
Compress images and convert to WebP format directly in your browser. Adjust quality, compare original vs compressed side by side, and download — free, private, no upload.
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 strings back to text instantly. No data is sent to any server — all encoding and decoding happens locally in your browser.
Password Generator
Generate strong, cryptographically secure random passwords in your browser. Customize length, uppercase, lowercase, numbers, and symbols with a live strength indicator.
Format & Convert Tools
15 toolsJSON Formatter & Validator
Free online JSON formatter and validator with syntax highlighting. Paste minified JSON and instantly beautify, validate, or minify it — no login required, works entirely in your browser.
HTML Formatter
Beautify or minify HTML code online for free. Auto-indents nested tags, formats attributes, and produces clean readable HTML output — instant, no installation needed.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal bases in real time. Free online number base converter with instant results as you type.
YAML to JSON Converter
Convert YAML to JSON and JSON to YAML online for free. Bidirectional conversion with syntax validation — perfect for Kubernetes configs, Docker Compose, and API work.
Markdown Preview
Write Markdown and see a live rendered HTML preview side by side. Free online Markdown editor and previewer — no signup, no installation, works in your browser.
CSS Minifier
Minify CSS files online by removing comments, whitespace, and redundant characters. Also beautify compressed CSS back to readable format — free and instant.
JavaScript Beautifier
Beautify and format messy or minified JavaScript code with proper indentation. Also minify JS to reduce file size — free online JavaScript formatter.
SQL Formatter
Format and beautify SQL queries online with proper indentation and uppercase keywords. Also minify SQL — free tool supporting SELECT, JOIN, WHERE, GROUP BY, and more.
JSON to CSV Converter
Convert JSON arrays to CSV and CSV back to JSON online for free. Handles nested values, quoted fields, and commas in values — instant bidirectional conversion.
JSON to TypeScript Type Generator
Convert JSON to TypeScript interfaces and type aliases instantly. Supports nested objects, arrays, nullable types, and union types — free online JSON to TS converter with no signup.
JSON Path Finder
Query and filter JSON data with JSONPath expressions. Find nested values, extract arrays, and debug complex JSON structures instantly — free online tool, runs entirely in your browser.
XML Formatter & XML to JSON
Free online XML formatter, minifier, and XML to JSON converter. Beautify messy XML, minify for production, or convert between XML and JSON — all in your browser.
Markdown to HTML Converter
Free online Markdown to HTML and HTML to Markdown converter. Convert between Markdown and HTML instantly — supports tables, code blocks, links, and all CommonMark syntax.
Encoding & Decoding Tools
9 toolsBase64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 strings back to text instantly. No data is sent to any server — all encoding and decoding happens locally in your browser.
URL Encoder / Decoder
Encode and decode URL components online for free. Handles special characters, percent encoding, query strings, and full URLs — instant results with no server required.
Hash Generator
Generate SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text string. Uses the browser Web Crypto API — your input never leaves your device.
JWT Decoder
Decode and inspect JWT tokens online without verification. Instantly view the header, payload claims, and expiration date — all processed locally in your browser.
HTML Entity Encoder / Decoder
Encode special characters to HTML entities and decode HTML entities back to plain text. Supports named, decimal, and hexadecimal formats — free online tool.
Bcrypt Generator & Verifier
Free online bcrypt hash generator and verifier. Generate bcrypt password hashes with adjustable cost factor and verify passwords against existing hashes — all in your browser.
HMAC Generator
Generate HMAC signatures using SHA-256, SHA-1, or SHA-512. Output in hex, Base64, or Base64URL format. Uses the Web Crypto API — your data never leaves the browser.
String & Text Tools
10 toolsRegex Tester
Test and debug regular expressions online with real-time match highlighting, group extraction, and flag support. Free regex tester that works instantly in your browser.
String Case Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case, UPPERCASE, lowercase, and Title Case in one click. Free online string case converter.
Diff Checker
Compare two text blocks and highlight differences line by line. Added lines in green, removed lines in red — free online diff checker with instant results.
Word Counter & Text Counter
Free online word counter and character counter. Count words, characters, sentences, paragraphs, lines, and estimate reading time instantly — no signup required.
Markdown Table Generator
Build Markdown tables visually with a live editor. Add rows and columns, set per-column alignment, and copy clean GitHub-flavored Markdown table syntax instantly.
URL Slug Generator
Convert any text into a clean, SEO-friendly URL slug instantly. Supports Unicode transliteration for Turkish, German, French, and 10+ languages — with stop word removal, custom separators, max length, and bulk mode. Free online slug generator.
Keyboard Event Viewer
Free online keyboard event inspector that displays event.key, event.code, keyCode, modifiers, and location in real time. Press any key and get a ready-to-use JavaScript event listener code snippet instantly.
String Escape / Unescape
Escape and unescape special characters for JavaScript, JSON, HTML, XML, URL, RegEx, SQL, CSV, Shell, Python, Java, and C#. Free, instant, browser-based.
Color & CSS Tools
15 toolsColor Converter
Convert colors between HEX, RGB, and HSL formats online. Enter any color value and instantly get the equivalent in all three formats with a live color preview.
CSS Gradient Generator
Create linear and radial CSS gradients visually with a live preview. Adjust colors, angle, and stops — copy the ready-to-use CSS gradient code instantly.
Box Shadow Generator
Generate CSS box-shadow code with interactive sliders. Adjust offset, blur, spread, color, and opacity visually with a live preview — copy CSS instantly.
Color Palette Generator
Generate harmonious color palettes from any base color. Get complementary, analogous, and triadic color schemes with HEX, RGB, and HSL values — free tool.
Aspect Ratio Calculator
Calculate aspect ratios and find missing dimensions for images, videos, and UI elements. Free online aspect ratio calculator with instant results.
Tailwind CSS Converter
Convert CSS to Tailwind utility classes and Tailwind classes back to CSS online. Bidirectional converter with live preview — supports Tailwind v3+ arbitrary values, free, no signup.
CSS Units Converter
Convert CSS units instantly: px to rem, rem to em, px to vw/vh, pt, and percent. Set custom base font size and viewport dimensions for accurate results.
CSS Grid Generator
Free online CSS Grid generator with live visual preview. Set columns, rows, gaps, and alignment — get clean, copy-ready CSS and HTML instantly.
CSS Clip-Path Generator
Create CSS clip-path shapes visually with live preview. Supports polygon, circle, ellipse, and inset — with 10 preset shapes including star, arrow, hexagon, and cross. Free online clip-path builder.
Text Shadow Generator
Design CSS text-shadow effects visually with multiple layers, live preview, and real-time controls. Adjust offset, blur, color, and opacity for each shadow layer — free online text shadow builder.
CSS Animation Generator
Build CSS keyframe animations visually with 12 presets and a custom keyframe editor. Supports timing functions, iteration, direction, fill mode — with live preview and replay. Free online animation builder.
Border Radius Generator
Design CSS border-radius values visually with live preview. Supports simple, advanced (individual corners), and blob mode for organic shapes. Includes 8 blob presets and randomize. Free online border radius tool.
CSS Filter Generator
Combine CSS filter effects visually with live preview. Adjust blur, brightness, contrast, grayscale, hue-rotate, invert, saturate, and sepia with 12 presets. Free online CSS filter builder.
Image Tools
14 toolsImage to Base64 Converter
Convert images to Base64 data URLs instantly in your browser. Supports PNG, JPG, GIF, WebP, and SVG — drag and drop, no upload to server.
Image Compressor & WebP Converter
Compress images and convert to WebP format directly in your browser. Adjust quality, compare original vs compressed side by side, and download — free, private, no upload.
SVG Optimizer
Optimize and minify SVG files online. Remove metadata, comments, editor data, and unnecessary attributes to reduce file size — free browser-based SVG cleaner with live preview.
Image Color Picker
Free online eyedropper tool that extracts colors from any image. Upload a PNG, JPG, or WebP file, hover to preview colors with a zoom lens, click to pick, and get HEX, RGB, and HSL values instantly. Build color palettes from images.
SVG Path Editor
Free online visual SVG path editor with live preview. Paste any SVG path d attribute, see it rendered on a grid, drag control points to edit, and get clean SVG code. Supports M, L, C, Q, A, Z commands.
Image Format Converter
Convert images between PNG, JPEG, WebP, AVIF, and BMP formats in your browser. Also supports SVG-to-raster conversion with quality, scale, and background color controls.
SVG to React (JSX) Converter
Convert raw SVG code to a ready-to-use React or Vue component. Transforms class to className, kebab-case attributes to camelCase, and generates clean JSX — entirely in your browser.
HEIC to JPG/PNG Converter
Convert HEIC and HEIF images to JPG or PNG entirely in your browser. Drag and drop multiple files, adjust JPEG quality, compare file sizes, and download — free, private, no upload.
Image Resizer
Resize images to exact pixel dimensions, percentages, or social media presets in your browser. Free online image resizer with PNG, JPG, and WebP output — no upload, no signup.
Image Cropper
Crop images online with pixel-perfect precision. Free browser-based image cropper with aspect ratio presets for Instagram, YouTube, Pinterest, and more — drag, crop, download.
Image to PDF Converter
Convert JPG, PNG, and WebP images to PDF online for free. Merge multiple images into one PDF with custom page size, orientation, and margins — 100% browser-based, no upload.
EXIF Metadata Viewer
View EXIF data from any photo online for free. Extract camera model, lens, aperture, shutter speed, ISO, GPS location, and all metadata — 100% private, browser-based.
Time & Date Tools
7 toolsUnix Timestamp Converter
Convert Unix timestamps to human-readable dates and convert dates back to Unix epoch time. Supports seconds, milliseconds, and multiple timezones — free and instant.
Cron Expression Parser
Parse and understand cron expressions with a human-readable description. Supports 5 and 6 field cron syntax and shows the next 5 scheduled execution times.
Timezone Converter
Convert any date and time between world timezones instantly. Covers 30+ cities across all regions with DST support. Free online timezone converter for developers and remote teams.
Date Difference Calculator
Calculate the exact difference between two dates. Get years, months, days breakdown plus total days, hours, minutes, and seconds. Free online date calculator.
Age Calculator
Calculate exact age from a birth date in years, months, and days. Includes total days, hours, next birthday countdown, zodiac sign, Chinese zodiac, birthstone, and more.
Generator Tools
17 toolsUUID Generator
Generate random UUID v4 identifiers instantly in your browser. Supports bulk generation, uppercase format, and no-hyphen options — free with no signup.
QR Code Generator
Generate QR codes from any text or URL instantly. Preview and download as PNG — free online QR code generator with no watermark and no signup required.
Password Generator
Generate strong, cryptographically secure random passwords in your browser. Customize length, uppercase, lowercase, numbers, and symbols with a live strength indicator.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text instantly. Choose the number of paragraphs and words — free lorem ipsum generator with copy-to-clipboard.
Meta Tag Generator
Generate SEO meta tags, Open Graph, and Twitter Card tags with live Google and social media previews. Fill in the form, preview, and copy — free, instant, no signup.
Favicon Generator
Generate favicons for all platforms from a single image. Creates ICO, PNG icons (16×16 to 512×512), Apple Touch Icon, PWA icons, HTML code, and site.webmanifest — free online, no upload to server.
Chmod Calculator
Calculate Linux/Unix file permissions visually. Convert between octal (755) and symbolic (rwxr-xr-x) notation instantly with an interactive checkbox interface — free online tool for DevOps and sysadmins.
Robots.txt Generator
Free online robots.txt generator with presets for common configurations. Create robots.txt files for your website with support for AI bot blocking, WordPress, and custom rules.
.gitignore Generator
Generate a custom .gitignore file by selecting your tech stack. Covers Node.js, Python, Java, Go, Rust, Docker, Terraform, VS Code, JetBrains, macOS, and more.
Privacy Policy Generator
Generate a free, comprehensive privacy policy for your website, app, SaaS, or e-commerce store. Covers GDPR, CCPA, cookies, analytics, and data retention — fully customizable.
Open Graph Preview
Preview how your web page looks when shared on Facebook, Twitter/X, LinkedIn, and WhatsApp. Audit OG tags, get a score out of 100, and generate optimized meta tags — free and instant.
Mock JSON Data Generator
Generate realistic fake data for testing and prototyping. Create JSON or CSV with names, emails, phone numbers, UUIDs, addresses, and more — all generated instantly in your browser.
Docker Compose File Builder
Build docker-compose.yml files visually without writing YAML by hand. Select services like Node.js, PostgreSQL, Redis, and MongoDB — get a valid, production-ready configuration file instantly.
RSA Key Pair Generator
Generate RSA public and private key pairs directly in your browser using the Web Crypto API. Keys are output in PEM format and never leave your device — 100% client-side, zero server contact.
Barcode Generator
Free online barcode generator. Create Code 128, EAN-13, EAN-8, UPC-A, Code 39, and ITF barcodes instantly. Download as SVG or PNG — no signup, 100% browser-based.
Network & API Tools
8 toolsIP/Subnet Calculator
Calculate IPv4 subnets from CIDR notation. Get network address, broadcast address, host range, wildcard mask, and usable host count — all instantly in your browser.
DNS Lookup
Look up DNS records for any domain using DNS over HTTPS. Query A, AAAA, MX, CNAME, TXT, and NS records instantly — free, private, and browser-based.
HTTP Header Analyzer
Analyze HTTP response headers for security best practices. Check Content-Security-Policy, HSTS, X-Frame-Options, and more — with scores and recommendations.
cURL to Code Converter
Convert cURL commands to JavaScript, Python, Go, PHP, and Node.js code. Parse headers, body, authentication, and method — instant, free, browser-based.
Webhook Tester
Build, validate, and format webhook payloads for testing integrations. Create sample payloads for GitHub, Stripe, Slack, and custom webhooks — all in your browser.
SSL Certificate Checker
Analyze SSL/TLS certificate configurations and security best practices. Check certificate fields, validity, chain of trust, and common misconfigurations — educational and informative.
Productivity Tools
3 toolsPomodoro Timer
Free online Pomodoro timer with audio alerts, session tracking, and customizable work/break intervals. Boost focus with the Pomodoro technique — no signup, works offline.