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Gzip Compressor

Gzip-compress text in your browser and get the result as Base64 or hex, with adjustable level and optional size ratio.

Runs in your browserText → Gzip (Base64)
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Example

Input
hello hello hello hello
Output
H4sIAAAAAAAAA8tIzcnJV8AgAeNRPY0XAAAA

How to use the Gzip Compressor

  1. Paste or type your Text into the input area, or open a file from your device.
  2. Adjust the options above the editor if the tool offers any.
  3. Review the Gzip (Base64) result, then copy it or download it as a file.

Privacy and limitations

  • Your data is processed on your device and is not uploaded to any server.

Frequently asked questions

Why is the output sometimes larger than the input?

Gzip adds an 18-byte header and trailer, and Base64 adds about 33%. Very short or already-compressed text therefore grows; savings appear on longer, repetitive text.

Related converters

Deflate CompressorCompress text with raw Deflate (RFC 1951, no header) and output it as Base64 or hex.Zlib CompressorCompress text in the zlib format (RFC 1950: Deflate with a 2-byte header and Adler-32 checksum) to Base64 or hex.ZIP File CreatorBundle several files into a .zip archive in your browser, with a choice of compression level. Nothing is uploaded.Gzip DecompressorDecompress Base64 or hex gzip data (e.g. from an HTTP body or log) back to text, hex or Base64.Deflate DecompressorInflate raw Deflate data (RFC 1951) given as Base64 or hex, such as SAML redirect bindings, back to text.Zlib DecompressorDecompress zlib data (usually starting with eJ in Base64 or 78 9c in hex) back to readable text.ZIP File ViewerOpen a .zip archive to list its files with sizes and compression, then extract and download individual entries.

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