Compress File to GZIP
Compress any file to .gz format in your browser — native CompressionStream, instant download on AboveTool.
Compress File to GZIP
Upload any file and compress it to .gz format instantly in your browser using the native CompressionStream API. Your file never leaves your device.
Drop your file here
or click to browse
Any file type is supported — text, binary, images, documents, and more
About Compress File to GZIP
Compress File to GZIP compresses any file to .gz format instantly in your browser using the native CompressionStream API. Upload text, binary, images, or documents and download a GZIP archive with size and ratio stats. Your file never leaves your device on abovetool.com.
How to use
- Drop any file on the upload zone or click to browse.
- Click Compress to GZIP to create a .gz archive in your browser.
- Click Download .gz to save the compressed file.
Features
- Compress any file type to .gz format
- Native CompressionStream API in the browser
- Original vs compressed size and ratio stats
- Instant download — files never leave your device
Frequently asked questions
What file types can I compress?
Any file — text, binary, images, documents, and more. The tool wraps the raw file bytes in a standard .gz GZIP container.
How does browser GZIP compression work?
The CompressionStream API applies DEFLATE compression locally, producing a .gz file you can download instantly.
Are my files uploaded to a server?
No. Compress File to GZIP processes files entirely in your browser on abovetool.com.
Is Compress File to GZIP free on AboveTool?
Yes. Compress File to GZIP is free to use on abovetool.com with no account required.