3GP to MKV
Free 3GP to MKV converter online. Convert mobile 3GP video files to MKV container format instantly. No signup, no software install required. Convert up to 1GB free.
Drop your file here, or browse
Accepts: video/3gpp, .3gp · Max 1GB · always free
Your files are encrypted with TLS and automatically deleted after conversion.
Simply upload your .3GP file and we'll convert it to .MKV 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 3GP to MKV
Upload Your File
Click the upload area above or drag and drop your .3GP file. We support files up to 1GB, completely free.
Choose Output Format
Select .MKV 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 3GP to MKV
FluidConvert's 3GP to MKV tool lets you convert .3GP files to .MKV format quickly and easily, right in your browser. No software installation required — just upload your file, click convert, and download the result.
Our converter uses cloud-based processing to ensure fast, high-quality conversions. Your files are encrypted during transfer and automatically deleted from our servers after conversion, so your data stays private and secure.
Whether you're converting files for work, school, or personal use, FluidConvert handles it all — 100% free. Convert files up to 1GB with unlimited conversions, no account and no cost.
Frequently Asked Questions
Is the 3GP to MKV free?
Yes! FluidConvert lets you convert .3GP files to .MKV completely free, with no account required. You can convert files up to 1GB with unlimited conversions — always free.
How long does it take to convert 3GP to MKV?
Most files are converted in just a few seconds. Larger files may take a bit longer depending on file size. Our cloud servers handle the processing so your computer stays fast.
Do I need to install any software?
No. FluidConvert works entirely in your browser. Just upload your file, choose the output format, and download the result. Works on Windows, Mac, Linux, and mobile devices.
Is my file safe and private?
Absolutely. All files are encrypted during transfer using TLS. Your files are processed on secure servers and automatically deleted after conversion. We never access, share, or store your files.
What is the maximum file size I can convert?
You can convert files up to 1GB each, completely free with unlimited conversions. No account or payment required.