Developer Tools· 29
Format JSON, encode Base64, generate QR codes, and more.
QR Code Generator
Create styled QR codes for links, Wi‑Fi, contacts, and more. Logo and colors stay in your browser.
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Barcode Generator
Generate CODE128, EAN13, UPC, and CODE39 barcodes from text. Download as PNG.
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JSON Formatter
Format, validate, and minify JSON with clear error messages.
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Base64 Encoder / Decoder
Encode and decode text or images to Base64. Works entirely offline.
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Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
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UUID Generator
Generate random UUID v4 identifiers. Create 1–20 UUIDs and copy them all at once.
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Color Picker
Pick a color and convert between HEX, RGB, and HSL formats.
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Color Code Converter
Convert between HEX, RGB, HSL, and HSV color formats from a single input value.
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Color Palette Generator
Generate complementary, analogous, and triadic color palettes from a base color.
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Regex Tester
Test and debug regular expressions with live highlighting. See matches and groups as you type. Runs entirely in your browser.
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JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and signature instantly in your browser. No data leaves your device.
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CSV ↔ JSON Converter
Convert CSV to JSON and JSON to CSV instantly in your browser. Paste data or upload a file. Nothing is uploaded to a server.
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JSON to TypeScript
Convert JSON objects to TypeScript interfaces automatically. Nested objects become named interfaces.
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URL Encoder / Decoder
Encode or decode URL components with encodeURIComponent and decodeURIComponent.
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CSS Minifier & Formatter
Minify or beautify CSS. Remove comments and whitespace for production or readable output.
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JavaScript Minifier
Minify JavaScript with Terser in your browser. Compress and mangle for smaller bundles.
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XML Formatter
Format or minify XML markup. Pretty-print with indentation or compress for transport.
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SQL Formatter
Format SQL queries with proper indentation. Supports standard SQL syntax.
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CSS Gradient Generator
Create linear and radial CSS gradients with a live preview and copy-ready code.
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Box Shadow Generator
Design CSS box shadows with live preview and copy ready-to-use code.
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Glassmorphism Generator
Design frosted-glass CSS effects with live preview. Copy blur, border, and background code.
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SVG Pattern Generator
Create repeating SVG background patterns and copy the CSS code.
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Open Graph Image Generator
Create 1200×630 OG images for social sharing with custom title and colors.
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Favicon Generator
Generate favicon PNGs in multiple sizes from one image and download as ZIP.
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Meta Tag Generator
Generate HTML meta, Open Graph, and Twitter Card tags from title, description, URL, and image.
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Click Ripple Effect Generator
Preview material-style ripple clicks and export CSS + JS using Pointer Events.
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.htaccess Redirect Generator
Generate Apache mod_rewrite 301 or 302 redirect rules for .htaccess files.
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Cron Expression Parser
Parse standard 5-field cron expressions into human-readable English descriptions.
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Placeholder Image Generator
Create custom-size placeholder PNG images with dimensions text. No external API required.
Developer Tools