Gzip Text Compressor & Decompressor
Compress UTF-8 text to a real .gz file or decompress Gzip Base64.
Processing stays in your browser. Requires browser Compression Streams. Input files are limited to 250 KB; decompressed output is capped at 1 MB. Download compression output as binary Gzip; decompression accepts UTF-8 text only.
How to use the gzip text compressor & decompressor
Paste UTF-8 text and choose Compress to review Gzip Base64 and the byte counts. Download result saves a binary .gz file. To decompress, upload a .gz file or paste Gzip Base64 and choose Decompress, then review and download the restored text.
Example
Compress a short note, download compressed.txt.gz, then upload it again to restore exactly the same text.
Good to know
Requires browser Compression Streams. Uploaded files are limited to 250 KB and expanded output to 1 MB. Decompression supports UTF-8 text, not arbitrary binary documents.