Gzip Compress & Decompress Online — Free & Private

A free edge API by formatho.com, privacy-first developer tools.

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Free, no signup, runs entirely in your browser — your data never leaves your device.

🔓 Free🔒 Zero tracking🚫 No data collection⚡ Edge-fast

Usage — compress

curl "https://gzip-converter-formatho.filesformatho.workers.dev/api?text=hello%20hello%20hello"

Returns the gzip bytes as base64 and hex, plus the compression ratio. Unicode-safe (UTF-8).

Usage — decompress

curl "https://gzip-converter-formatho.filesformatho.workers.dev/api?mode=decompress&text=H4sIAAAAAAAA/NIyzihNLlFQSk4tLlbKz1XIALqlSXoAAAA%3D"

Feed base64 (or hex via &encoding=hex) gzipped data, get the original text back.

Full parameter reference: /api endpoint.

Privacy-first: compression runs in-memory at the edge and is never logged or stored.

Full browser tool

Gzip files & text entirely client-side: Gzip on formatho.com.

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