Encoding
HTML Encoder & Decoder
Encode special characters as HTML entities or decode them back to text.
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Developer toolbox
All developer tools
Search and explore 15 fast, private developer utilities.
Showing 15 tools
Data
XML Formatter & Validator
Format, validate and minify XML documents directly in your browser.
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Data
CSV ↔ JSON Converter
Convert CSV data to JSON or transform JSON arrays into CSV.
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Development
Markdown Preview
Write Markdown and preview the rendered result instantly.
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Generators
QR Code Generator
Generate downloadable QR codes for text, URLs, email and Wi-Fi.
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Security
Password Generator
Generate strong and customizable passwords securely in your browser.
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Security
Hash Generator
Generate MD5, SHA-1 and SHA-2 hashes from text instantly.
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JSON
JSON Formatter
Format, validate and beautify JSON instantly.
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Security
JWT Decoder
Decode JWT headers, payloads and expiration data.
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API
OpenAPI Viewer
Explore and inspect OpenAPI specifications.
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Development
Regex Tester
Test regular expressions against sample text.
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Utilities
UUID Generator
Generate secure UUID values directly in your browser.
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Utilities
Timestamp Converter
Convert Unix timestamps into readable dates.
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Encoding
URL Encoder & Decoder
Encode text for URLs or decode percent-encoded values instantly.
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Encoding
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 values instantly.
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