Unit Converter
Unit Converter is a free online tool that lets you convert length, weight, temperature, and more. It runs entirely in your browser — no sign-up, no watermark, and your files are never uploaded.
Free · unlimited · processed privately in your browser
Your files stay private — 100% in your browser
We never upload your files, photos, or videos to any server. Everything is processed directly in your browser, so your data never leaves your device. That means zero privacy worries — no one else can ever see or store what you convert.
- No uploads
- Processed on your device
- No sign-up needed
About Unit Converter
Unit Converter is a free online tool that lets you convert length, weight, temperature, and more. There is no sign-up, no watermark, and no limit on how many times you can use it. It all runs locally in your browser — nothing is uploaded — so your files stay on your device and remain private.
After you upload
Unit Converter needs no settings — the conversion starts as soon as you run it and finishes in your browser, so nothing is uploaded.
How to use Unit Converter
- 1Click Choose Files and upload your file.
- 2Adjust any available options for your needs.
- 3Press Run to process the file in your browser.
- 4Download your result instantly.
Frequently asked questions
Is Unit Converter free?
Yes. Unit Converter is entirely free, with no limits and no watermark.
Do I need to install anything?
No. Unit Converter runs in your web browser, so there's nothing to install.
Are my files uploaded to a server?
No. Files are handled locally in your browser and are never uploaded.
How to convert units?
Use Unit Converter above: upload your file, run it, and download the result. It is free with no limits or sign-up, and it all runs locally in your browser — nothing is uploaded — so your files stay on your device and remain private.
How to convert cm to inches?
Use Unit Converter above: upload your file, run it, and download the result. It is free with no limits or sign-up, and it all runs locally in your browser — nothing is uploaded — so your files stay on your device and remain private.
How to convert kg to pounds?
Use Unit Converter above: upload your file, run it, and download the result. It is free with no limits or sign-up, and it all runs locally in your browser — nothing is uploaded — so your files stay on your device and remain private.