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