DevTool Deck

Everyday tools for shipping faster

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Notepad Code Editor Drawing Pad Jupiter Notebook QR Generator Markdown Tool Color Theme Picker

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Diff Tool CSV Viewer Base64 Encoder/Decoder JSON to YML HTTP Header Inspector UUID Generator Time Converter URL Parser / Builder JSON Formatter Regex Tester JWT Decoder

Saved locally. Runs in your browser.

HTTP Header Inspector

Parse raw HTTP headers into key/value rows.

Content-Type: application/json

Authorization: Bearer token