Btu Per Room
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100 calls/day, no card, no spam. Built by one person, in public.
About BTU/Room
BTU/Room is a free, browser-based utility designed to make this task as quick and frictionless as possible. The goal was to keep the path from "open the page" to "get the result" as short as possible. No mandatory account, no cookie wall, no upsell at every step. Like everything else in the utility collection, it is free, ad-light, and works on mobile as well as desktop.
When you'd reach for BTU/Room
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 BTU/Room
- Is BTU/Room really free?
- Yes — BTU/Room is free for unlimited personal use, with no account required and no watermark on the output.
- Can I use BTU/Room commercially?
- Yes. The output of BTU/Room belongs entirely to you, with no licensing restrictions.
- Will BTU/Room change my original file?
- Never. BTU/Room only reads your input file and produces a new output file.
- Does BTU/Room work on mobile?
- Yes, BTU/Room is fully responsive and tested on iOS Safari and Android Chrome.
- Are my files uploaded to a server when I use BTU/Room?
- BTU/Room processes everything in your browser using local APIs. Your files never leave your device.
