⚙️ Developer Tools
Speed up your development workflow with 34 free online tools. Format JSON, encode Base64, decode JWTs, test regex patterns, generate CSS layouts, create QR codes, hash strings, compare diffs, and much more. Everything runs in your browser — no installation, no sign-up.
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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.