Underwear

About Underwear

Working with this task no longer requires installing heavy desktop software — Underwear 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. It pairs naturally with the other utility utilities here when you need to chain a quick workflow.

When you'd reach for Underwear

• 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 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.

Frequently asked about Underwear

What browsers does Underwear support?

Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.

Can I use Underwear commercially?

Yes. The output of Underwear belongs entirely to you, with no licensing restrictions.

Will Underwear change my original file?

Never. Underwear only reads your input file and produces a new output file.

Is Underwear really free?

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

Are my files uploaded to a server when I use Underwear?

Underwear processes everything in your browser using local APIs. Your files never leave your device.