Emission Calculator
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100 calls/day, no card, no spam. Built by one person, in public.
About Emissions
Emissions solves a specific problem that comes up daily for anyone dealing with this task: 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. 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 Emissions
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.
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.
Frequently asked about Emissions
- Will Emissions change my original file?
- Never. Emissions only reads your input file and produces a new output file.
- Do I need to create an account to use Emissions?
- No. Emissions works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
- Does Emissions work on mobile?
- Yes, Emissions is fully responsive and tested on iOS Safari and Android Chrome.
- Is Emissions really free?
- Yes — Emissions is free for unlimited personal use, with no account required and no watermark on the output.
- Can I use Emissions commercially?
- Yes. The output of Emissions belongs entirely to you, with no licensing restrictions.
