Archive Converter
Someone sends a .rar and your computer won't open it, or a site only accepts .zip — archive formats don't always play nicely together. FluidConvert converts between ZIP, RAR, 7Z, TAR, GZ and more instantly in your browser, free and with no software to install.
Drop your file here, or browse
Accepts: .zip, .rar, .7z, .tar, .gz, .bz2 · Max 1GB · always free
Your files are encrypted with TLS and automatically deleted after conversion.
Simply upload your .ARCHIVE file and we'll convert it to .ARCHIVE format — fast, free, and secure.
Fast & Free
Convert files up to 1GB completely free. No account, no limits.
Secure
Files are encrypted and automatically deleted after conversion.
High Quality
Industry-leading conversion with no quality loss.
How to Convert ARCHIVE to ARCHIVE
Upload Your File
Click the upload area above or drag and drop your .ARCHIVE file. We support files up to 1GB, completely free.
Choose Output Format
Select .ARCHIVE as your target format. Adjust any conversion settings if needed.
Download Your File
Click Convert Now and wait a few seconds. Once complete, download your converted file instantly.
About Archive Converter
Why archive formats aren't interchangeable
An archive bundles many files into one and usually compresses them, but the bundling and compression methods differ by format. ZIP is built into Windows and macOS and opens everywhere. RAR compresses tightly but needs special software to open and can't be created by most built-in tools. 7Z offers the best compression but isn't natively supported by most systems. TAR and GZ come from the Linux/Unix world, often combined as .tar.gz. Converting between them re-bundles the contents into a format the receiving system can actually open.
Which archive format should you use?
Use ZIP for maximum compatibility — it opens natively on Windows, Mac, phones, and almost every upload form, making it the safe default for sharing. Use 7Z when you want the smallest possible file and know the recipient can open it. Use TAR or TAR.GZ when working with Linux servers or developer tools that expect them. Convert RAR files you receive into ZIP if you don't have RAR software installed.
What conversion does to your files
Converting an archive extracts the original files and re-packages them in the new format — the files inside are never altered, only the container around them changes. Compression level may differ (a 7Z will usually be smaller than the same contents as ZIP), but the documents, images, or folders inside come out identical. Folder structure and filenames are preserved through the conversion.
How FluidConvert handles it
Archives are repacked on secure cloud servers in seconds, with the internal folder structure kept intact. Uploads are encrypted in transit and deleted automatically afterward — your files are never stored or inspected.
Common reasons to convert ARCHIVE to ARCHIVE
- Converting a RAR file to ZIP so it opens without installing extra software
- Repackaging a 7Z archive as ZIP for a recipient on Windows or Mac
- Turning a ZIP into 7Z to get the smallest possible file for storage
- Converting TAR.GZ archives from a Linux server into ZIP
- Standardizing mixed archive formats into ZIP before sharing
Frequently Asked Questions
How do I open a RAR file without special software?
Convert it to ZIP, which opens natively on Windows, macOS, and most phones with no extra software. The files inside come out unchanged — only the archive format around them changes.
Which archive format is the most compatible?
ZIP. It's built into virtually every operating system and accepted by almost every website and email service, making it the safest choice when you're not sure what the recipient can open.
Does converting an archive change the files inside it?
No. Conversion extracts your files and repackages them in the new format. The contents — documents, images, folders — come out byte-for-byte identical; only the surrounding archive format and its compression change.
Why is a 7Z file smaller than the same files as a ZIP?
7Z uses a more advanced compression algorithm than ZIP, so it squeezes the same contents into a smaller file. The trade-off is compatibility — 7Z needs supporting software to open, while ZIP works everywhere out of the box.
How large an archive can I convert?
Up to 1GB per file, free and unlimited — enough for large bundles of documents, images, or project files.