Decompress Gzip (.gz) archives back to original files online. Uses browser native DecompressionStream. Free, fast and private.
Upload your Gzip file (.gz) into the active drop zone.
Verify the compressed file details and output name.
Click 'Decompress' to extract and save the original file.
Your data is processed entirely inside your browser using client-side JavaScript. Nothing ever travels over a network to any server — making BunchTool the most private option available.
Because everything runs locally in your browser, there are no upload queues or server wait times. Results appear in seconds regardless of your internet speed — or even without any connection at all.
Instantly decompress server logs, database dumps, and Unix backups safely on your local machine without using command line tools.