Curie To Becquerel
Get a free API key + new tools as they ship
100 calls/day, no card, no spam. Built by one person, in public.
About Ci to Bq
Working with this task no longer requires installing heavy desktop software — Ci to Bq runs entirely in your browser, instantly. Built to be the kind of tool you bookmark and use weekly: no surprises between visits, no degraded free tier, and a UI that gets out of the way. If you find yourself doing this regularly, the rest of the utility suite covers most adjacent tasks with the same approach.
When you'd reach for Ci to Bq
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 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'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.
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.
Frequently asked about Ci to Bq
- Is Ci to Bq really free?
- Yes — Ci to Bq is free for unlimited personal use, with no account required and no watermark on the output.
- What browsers does Ci to Bq support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Do I need to create an account to use Ci to Bq?
- No. Ci to Bq works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
- Are my files uploaded to a server when I use Ci to Bq?
- Ci to Bq processes everything in your browser using local APIs. Your files never leave your device.
- Will Ci to Bq change my original file?
- Never. Ci to Bq only reads your input file and produces a new output file.
