Free Developer Tools
No sign-up. No limits. Built for developers who move fast.
JSON Visualizer
Paste JSON and instantly see it as an interactive visual tree graph. Supports nested objects, arrays, and deep structures.
Open Tool arrow_forwardJSON Formatter
Beautify and format raw JSON with proper indentation, line breaks, and syntax highlighting.
Open Tool arrow_forwardJSON Validator
Validate JSON syntax instantly with exact line and column error reporting. Format, minify, and fix JSON errors right in your browser.
Open Tool arrow_forwardBase64 Encoder
Encode text, URLs, and files to Base64 format instantly. URL-safe mode, live encoding, and MIME chunk support.
Open Tool arrow_forwardBase64 Decoder
Decode any Base64 string back to readable text instantly. Supports URL-safe Base64, auto-fix padding, JWT decoding, and file upload.
Open Tool arrow_forwardImage to Base64 Encoder
Convert JPG, PNG, SVG, GIF, and WebP images to Base64 Data URI instantly. Perfect for embedding images in HTML, CSS, and email templates.
Open Tool arrow_forwardSchema Markup Validator
Validate JSON-LD structured data instantly. Check for errors, missing fields, and Google Rich Results eligibility. Paste code or fetch from URL.
Open Tool arrow_forwardColor Picker
Pick colors, convert between HEX, RGB, HSL formats, and generate matching palettes instantly.
Coming SoonBuilt for Speed. Free Forever.
CodeZiper's free developer tools are designed to save time on everyday tasks — formatting JSON, visualizing data structures, encoding strings, and more. Every tool runs entirely in your browser, meaning your data never leaves your device. No accounts, no rate limits, no tracking. Just fast, reliable utilities built by developers who use them daily. Whether you're debugging an API response, reviewing a config file, or exploring a large dataset, these tools give you instant clarity without the friction.