100% Client-Side

Gzip Compress / Decompress

Free online Gzip compression and decompression tool. Compress text to gzip or decompress Base64-encoded gzip data. Powered by pako.js. — runs 100% in your browser, client-side only. No data is sent to any server. Free to use, no account required.

Free Client-Side No Login No Storage
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Base64 Encoder Encode text or binary data to Base64 — standard and URL-safe variants Base64 Decoder Decode Base64 strings back to plain text or binary data Hex Encoder Convert text to hexadecimal — useful for debugging and binary inspection

How to Use the Gzip Compress / Decompress

  1. Choose Compress or Decompress mode.
  2. Enter text (compress) or Base64-encoded gzip data (decompress).
  3. Click the action button.
  4. Copy or download the result.

Powered by pako.js. All processing is client-side.