Document tool

Compress to Gzip

Compress any safe file into a Gzip (.gz) archive — fast, private, in memory.

File Gzip
PrivConvert
Privacy-first conversion
No files stored
In-memory processing
Deleted instantly
No sign-up needed

Complete the security check to begin

How to Convert File to Gzip Online

Here is how a File → Gzip conversion works on PrivConvert, from start to finish. Your file is processed privately in memory and deleted the instant the Gzip is ready.

1
Upload your File file

Drag and drop your file into the upload area, click to browse your device, or paste a URL to a file hosted online. You can upload files up to 250 MB and batch convert up to 20 files at once.

2
Automatic conversion

Once uploaded, the conversion from File to Gzip starts automatically. The process runs entirely in an isolated environment - your data never leaves the secure pipeline.

3
Download your Gzip file

Your converted file is ready instantly. Click the download button to save it to your device. The file is deleted from memory immediately after download.

What makes this File-to-Gzip converter different

Privacy here is not a checkbox. Every File-to-Gzip conversion is engineered so your data never lingers, leaks or gets reused.

Works on any device

Runs in any modern browser on Windows, macOS, Linux, Android and iOS — no install, plugin or desktop software needed.

Fast in-memory processing

Each job runs in an isolated in-memory sandbox, so most conversions finish in seconds instead of waiting in a queue.

Nothing is stored

We never keep a copy. Once your Gzip is delivered, both the original and the result are gone — there is nothing left to leak or misuse.

Isolated sandbox

Every conversion runs in its own locked-down process with no network access, so files can never leak or interfere with one another.

File vs Gzip - Format Comparison

FeatureFileGzip
File extension.file.gzip
Supported by PrivConvertYes (as input)Yes (as output)
Privacy-safe conversionIn-memory, zero storage
Max file size250 MB per file
Batch supportUp to 20 files simultaneously

Why people pick PrivConvert for Gzip

Thousands of people trust PrivConvert with their files because privacy here is structural — enforced by how the service runs, not just promised.

250 MB Max file size
450+ Conversion tools
0 sec File retention
100% Free to use

Frequently Asked Questions

What can I compress?
Any file that is not a blocked executable or script type. The result is a standard Gzip stream you can decompress anywhere.
Is compression private?
Yes. Compression runs entirely in memory with hard size ceilings. Your file is never written to disk.
Is there a size limit?
Yes — up to 250 MB per file, same as the rest of PrivConvert.

Further Reading