How to use PX to REM Converter
- Type the text or URL you want to turn into a QR code.
- Reorder or adjust the settings, then hit the big button.
- When it's ready, click "Save." Your files never leave your device.
FAQ
What is the 16px base?
The default browser font size. Use your own value if you set a different size on html.
What happens to 0px?
It becomes a unitless 0.
Is it safe to use PX to REM Converter with my files?
Yes. Your files are never uploaded — they're processed only inside your browser. Every page is served with a policy that blocks outgoing connections (Content-Security-Policy connect-src 'none'), and the counter in the bottom-left shows the data sent: 0 bytes.
Is it free? Do I need an account?
It's completely free, no account needed, and there are no usage limits.
Does it work on my phone?
Yes. It works in mobile browsers on iPhone and Android. For very large files, a computer will be faster.