Developer Tools
JSON, encoding, JWT, regex, hashes, timestamps, UUID, CSS helpers, and converters. Paste, compute, copy. No install step.
Base64 Encoder/Decoder
Free Base64 Encoder & Decoder — convert text or files to Base64 instantly. Supports UTF-8 and binary data. Try it now.
Border Radius Generator
Free CSS Border Radius Generator — visually design rounded corners and copy clean CSS. Adjust each corner independently.
Box Shadow Generator
Free CSS Box Shadow Generator — create custom shadows with live preview. Adjust blur, spread, offset, and color easily.
Color Code Converter
Free Color Converter — switch between HEX, RGB, HSL, and CMYK color formats instantly. Fast and accurate color tool.
Color Palette Generator
Free Color Palette Generator — create harmonious color schemes from a base color. Copy individual HEX values for your project.
Cron Expression Parser
Free Cron Expression Parser — validate and describe cron schedules in plain English. Test next run times instantly.
CSS Grid Generator
Free CSS Grid Generator — design grid layouts visually and export production-ready CSS. Define rows, columns, and gaps.
CSV to JSON Converter
Free CSV to JSON Converter — transform CSV data into JSON format instantly. Paste your data and convert with one click.
Diff Checker
Free Diff Checker — compare two texts and highlight differences in a unified view. Spot changes in code or documents fast.
Dummy Image Generator
Free Dummy Image Generator — create placeholder images with custom size, color, and text. Download as PNG instantly.
Favicon Generator
Free Favicon Generator — create a 64x64 PNG favicon from emoji or text. Customize colors and download instantly.
Flexbox Playground
Free Flexbox Playground — experiment with CSS Flexbox properties visually. Learn and generate flex layout code in seconds.
Font Preview Tool
Free Font Preview Tool — preview 20 popular Google Fonts with custom text, size, and weight. Find the right typeface fast.
Gradient Generator
Free CSS Gradient Generator — build linear and radial gradients visually. Add color stops and copy CSS code with one click.
Hash Generator
Free Hash Generator — generate SHA-1 and SHA-256 hashes from text input. Fast and secure hashing tool.
HTML Entity Encoder/Decoder
Free HTML Entity Encoder & Decoder — convert special characters to HTML entities and back. Prevent XSS and display issues.
HTTP Status Code Reference
Free HTTP Status Code Reference — look up any HTTP status code with descriptions and usage examples. Quick dev reference tool.
Image Compressor
Free Image Compressor — reduce JPEG, PNG, or WebP file size with quality control. Compress one image at a time in your browser.
IP Lookup Tool
Free IP Lookup Tool — see your public IP address with city, country, ISP, and timezone details. Instant automatic detection.
JSON Formatter/Validator
Free JSON Formatter & Validator — beautify, minify, and validate JSON data instantly. Syntax highlighting and error detection.
JWT Decoder
Free JWT Decoder — decode and inspect JSON Web Tokens instantly. View header, payload, and verify signature claims.
Lorem Ipsum Generator
Free Lorem Ipsum Generator — generate placeholder text in paragraphs, sentences, or words. Customize length and copy fast.
Markdown Preview
Free Markdown Preview — write Markdown and see rendered HTML in real time. Supports GFM tables, code blocks, and more.
Meta Tag Generator
Free Meta Tag Generator — create SEO-optimized meta tags for your website. Generate title, description, and Open Graph tags.
Number Base Converter
Free Number Base Converter — convert between binary, octal, decimal, and hexadecimal instantly. Enter a number and see all four bases.
Password Generator
Free Password Generator — create strong, random passwords with custom length and character sets. Secure and private.
QR Code Generator
Free QR Code Generator — create QR codes from text or URLs with configurable size and error correction. Download as PNG.
Regex Tester
Free Regex Tester — test JavaScript regular expressions with live matching, capture group display, and flag toggles (g/i/m).
Signature Generator
Free Email Signature Generator — create professional HTML email signatures with 3 styles. Enter your info, customize colors, copy HTML.
SVG Editor
Free SVG Editor — preview and edit SVG code in the browser with live visual output. Paste SVG markup and see it rendered instantly.
Timestamp Converter
Free Timestamp Converter — convert Unix timestamps to dates and vice versa. Supports seconds and milliseconds with timezones.
URL Encoder/Decoder
Free URL Encoder & Decoder — encode or decode URLs and query parameters instantly. Handle special characters safely.
User Agent Parser
Free User Agent Parser — detect and analyze browser user-agent strings. Identify OS, browser, device type, and version.
UUID Generator
Free UUID Generator — generate random UUID v4 identifiers instantly. Generate one or more and copy with one click.