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Gzip + Base64 Compressor

Compress text with gzip and emit Base64 online — for stuffing JSON into URLs and configs. Decompress back instantly.

Gzip → Base64 / back

Output

Press Compress.

How to use

  1. Paste input or drop a file above.
  2. Adjust options (delimiter, dialect, quality, ratio).
  3. Copy result or download — no sign-up needed.

FAQ

How is it encoded?

Raw gzip bytes → standard Base64. Any gzip tool decodes it after Base64-decoding.

Browser support?

Needs CompressionStream (Chrome, Edge, Firefox, Safari 16.4+).

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