Chi-Square

About Chi-Square

When you need this task done in seconds, Chi-Square delivers a clean, focused interface without the friction of a generic tool. 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. It pairs naturally with the other utility utilities here when you need to chain a quick workflow.

When you'd reach for Chi-Square

• 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 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 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 Chi-Square

Can I use Chi-Square commercially?

Yes. The output of Chi-Square belongs entirely to you, with no licensing restrictions.

Are my files uploaded to a server when I use Chi-Square?

Chi-Square processes everything in your browser using local APIs. Your files never leave your device.

Will Chi-Square change my original file?

Never. Chi-Square only reads your input file and produces a new output file.

Is Chi-Square really free?

Yes — Chi-Square is free for unlimited personal use, with no account required and no watermark on the output.

Does Chi-Square work on mobile?

Yes, Chi-Square is fully responsive and tested on iOS Safari and Android Chrome.