Free online developer tools

Text Compare

Compare two texts side by side and spot changes instantly.

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JSON Formatter & Validator

Beautify, validate, parse, and analyze nested JSON datasets.

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Base64 Encode / Decode

Convert UTF-8 text to and from standard Base64 locally in your browser.

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JWT Decoder

Inspect JWT headers and claims locally; signature verification is not included.

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URL Encode / Decode

Encode and decode URLs safely for web applications and APIs.

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UUID Generator

Generate UUID v4 and v7 identifiers instantly in your browser.

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Timestamp Converter

Convert Unix timestamps to readable dates and vice versa.

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Regex Tester

Test and debug regular expressions with instant matches.

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JSON ↔ YAML Converter

Convert bi-directionally between JSON data and YAML syntax.

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XML Formatter

Beautify and format XML documents for better readability.

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SQL Formatter

Beautify SQL queries with proper indentation and formatting.

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HTML Formatter

Format and indent HTML code for improved readability.

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XML to JSON

Convert XML documents into JSON format.

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JSON to XML

Convert JSON data into well-structured XML format.

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MD5 Generator

Generate MD5 hashes instantly from text or strings.

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SHA-1 Generator

Generate SHA-1 hashes from text for legacy compatibility.

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SHA-256 Generator

Generate secure SHA-256 hashes from text instantly.

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SHA-512 Generator

Generate SHA-512 hashes online for secure integrity verification.

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bcrypt Generator

Generate and verify bcrypt password hashes with configurable cost factors.

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Markdown Preview

Preview Markdown online with live rendering, GFM support, tables, code blocks, and more.

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