Yarn Weights Ref
Get a free API key + new tools as they ship
100 calls/day, no card, no spam. Built by one person, in public.
About Yarn Weights
Yarn Weights 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. It pairs naturally with the other utility utilities here when you need to chain a quick workflow.
When you'd reach for Yarn Weights
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 Yarn Weights
- Does Yarn Weights work on mobile?
- Yes, Yarn Weights is fully responsive and tested on iOS Safari and Android Chrome.
- Are my files uploaded to a server when I use Yarn Weights?
- Yarn Weights processes everything in your browser using local APIs. Your files never leave your device.
- Is Yarn Weights really free?
- Yes — Yarn Weights is free for unlimited personal use, with no account required and no watermark on the output.
- Do I need to create an account to use Yarn Weights?
- No. Yarn Weights works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
- Will Yarn Weights change my original file?
- Never. Yarn Weights only reads your input file and produces a new output file.
