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How to Compress a TAR File to TAR.GZ
Upload TAR
Your uncompressed .tar archive.
Add Compression
We apply Gzip to shrink the file size.
Download
Get your .tar.gz – smaller and still Linux-ready.
Why Compress a TAR File?
Because TAR doesn't compress. It bundles. A 500MB folder becomes a 500MB .tar file. That's fine for local transfers, but for email, cloud storage, or archiving? You want it smaller. Gzip is the simplest way. It's fast, it's everywhere, and it turns that 500MB TAR into maybe 200MB depending on what's inside. This tool does exactly that: takes your plain TAR, adds Gzip compression, and gives you a standard .tar.gz file. No command line, no guessing flags.
I Already Have a TAR.GZ. Why Would I Need This?
You probably don't. This is for people who have plain TAR files – maybe they were created with `tar -cvf` instead of `tar -czvf`. Or maybe you downloaded a TAR from somewhere and it's huge. You want to compress it for storage. Instead of extracting everything and re-archiving, you just upload the TAR and we add the compression in one step. It's like a shortcut.
Is TAR.GZ Smaller Than ZIP?
Usually, yes. Gzip compresses better than ZIP's DEFLATE algorithm. Not by a huge margin, but noticeable. Plus, TAR.GZ preserves Unix permissions, which ZIP doesn't. If you're on Linux, TAR.GZ is almost always the better choice over ZIP for compression and compatibility.
TAR to TAR.GZ – Quick FAQ
No. Gzip is lossless. Your files inside the TAR stay exactly the same. Only the container gets compressed.
Yes, you can decompress TAR.GZ to TAR here too. Just upload the .tar.gz and select TAR as the output format.
Some files don't compress well. Already-compressed files like JPG, MP4, or ZIP files inside your TAR won't shrink much. Text, code, and documents will see big reductions.
If you don't have `tar` and `gzip` installed (Windows users), yes, this is much faster than installing tools. If you're on Linux/Mac, the command line is probably quicker.