16.6667%
200px / 1200px
CSS
width: 16.6667%;How It Works
Enter Values
Input pixel value and container width.
Convert
Configure options and preferences.
Get Results
Copy output or view results instantly.
Get a free API key + new tools as they ship
100 calls/day, no card, no spam. Built by one person, in public.
About PX to %
PX to % solves a specific problem that comes up daily for anyone dealing with developer and design work: doing it once, fast, without an account. Processing runs locally in your browser using modern Web APIs. Nothing is uploaded, nothing is logged, and there is no quota to worry about for casual use. It is one of about a hundred developer tools that share the same philosophy: do one thing, do it well, get out of your way.
When you'd reach for PX to %
You're cleaning up a folder of files that accumulated over a project and need to standardize them.
Designers, writers, and developers wrapping up deliverables.
Drop each file in, copy the output, move on.
You need to handle a one-off task right before a meeting and don't have time to install anything.
Anyone working remotely on a borrowed or restricted machine.
Open the page, get the result, paste it into your doc — under a minute.
You're on a public or shared machine and don't want to leave traces of what you're working on.
Travelers, contractors, anyone working from a friend's computer.
Nothing is uploaded, nothing persists if you're not signed in.
You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.
Marketers and ops people whose primary tool is metered.
Stay productive without burning credits.
Frequently asked about PX to %
- Does PX to % work on mobile?
- Yes, PX to % is fully responsive and tested on iOS Safari and Android Chrome.
- Are my files uploaded to a server when I use PX to %?
- PX to % processes everything in your browser using local APIs. Your files never leave your device.
- Can I use PX to % commercially?
- Yes. The output of PX to % belongs entirely to you, with no licensing restrictions.
- Do I need to create an account to use PX to %?
- No. PX to % works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
- Is PX to % really free?
- Yes — PX to % is free for unlimited personal use, with no account required and no watermark on the output.