Screw size reference chart
Get a free API key + new tools as they ship
100 calls/day, no card, no spam. Built by one person, in public.
About Screw Size
Working with this task no longer requires installing heavy desktop software — Screw Size runs entirely in your browser, instantly. 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 Screw Size
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 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.
Frequently asked about Screw Size
- What browsers does Screw Size support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Are my files uploaded to a server when I use Screw Size?
- Screw Size processes everything in your browser using local APIs. Your files never leave your device.
- Does Screw Size work on mobile?
- Yes, Screw Size is fully responsive and tested on iOS Safari and Android Chrome.
- Can I use Screw Size commercially?
- Yes. The output of Screw Size belongs entirely to you, with no licensing restrictions.
- Do I need to create an account to use Screw Size?
- No. Screw Size works without any signup. We only ask for an email if you decide to subscribe to a paid plan.