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Format JSON, test regex, encode Base64, and more with Zilita's browser-based developer utilities.
Zilita provides a comprehensive set of developer tools that handle everyday coding tasks without requiring command-line utilities, IDE plugins, or online services that upload your code to external servers. Every tool runs in your browser and processes data locally.
The JSON Formatter takes raw, minified, or malformed JSON and restructures it with proper indentation, syntax highlighting, and line breaks. It validates syntax in real time, flagging errors with exact line and character positions. Use it for debugging API responses, cleaning configuration files, or preparing data for documentation. Supports 2-space, 4-space, and tab indentation with a compact mode for minifying output.
The Regex Tester provides a live testing environment for regular expressions. Enter a pattern and test string, and matches highlight in real time. The capture group breakdown shows the contents and positions of each matched group. A built-in pattern library provides ready-to-use regexes for email, URL, phone, and date validation.
The Base64 Encoder/Decoder converts text to and from Base64 encoding with support for standard and URL-safe modes. Full UTF-8 support ensures international characters and emoji are handled correctly. Use it for encoding data URIs, inspecting authentication headers, or preparing data for API requests.
The URL Encoder/Decoder converts strings to URL-safe format per RFC 3986. It encodes special characters, spaces, and Unicode into percent-encoded format and decodes them back. Essential for debugging query parameters and preparing data for web requests.
The Hash Generatorcomputes MD5, SHA-1, SHA-256, and SHA-512 hashes with HMAC authentication and salt support. Uses the browser's native SubtleCrypto API for secure, standards-compliant hashing.
The Markdown Preview tool renders markdown text to formatted HTML in real time. Write documentation, README files, or notes in markdown and see the rendered output alongside your source. Supports GitHub Flavored Markdown including tables, code blocks, and task lists.
The Text Cleaner removes extra spaces, duplicate lines, and unwanted formatting from text. It includes options to trim whitespace, remove empty lines, sort lines alphabetically, and convert between different line ending formats.
No. All developer tools process data entirely in your browser. Your JSON, regex patterns, and text never leave your device.
Yes, after the initial page load. Most developer tools do not require network connectivity to function.
No. All developer tools are free with no limits on the number of requests or data size within browser memory constraints.
The Zilita Team builds privacy-first browser tools that help teachers, students, developers, businesses, and creators work more efficiently without sacrificing data privacy.