Developer Tools

Free online tools that run entirely in your browser. No signup, no data sent to servers.

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JSON Formatter

Paste JSON to pretty-print, validate, and explore with a tree view.
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Base64 Encode/Decode

Encode text to Base64 or decode Base64 back to text. Supports files.
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URL Encoder/Decoder

Encode special characters for URLs or decode percent-encoded strings.
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Password Generator

Generate strong random passwords with configurable length and character sets.

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