Tangent Line
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100 calls/day, no card, no spam. Built by one person, in public.
About Tangent Line
When you need this task done in seconds, Tangent Line delivers a clean, focused interface without the friction of a generic tool. 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 is one of about a hundred utility tools that share the same philosophy: do one thing, do it well, get out of your way.
When you'd reach for Tangent Line
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 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.
Frequently asked about Tangent Line
- Will Tangent Line change my original file?
- Never. Tangent Line only reads your input file and produces a new output file.
- What browsers does Tangent Line support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Does Tangent Line work on mobile?
- Yes, Tangent Line is fully responsive and tested on iOS Safari and Android Chrome.
- Are my files uploaded to a server when I use Tangent Line?
- Tangent Line processes everything in your browser using local APIs. Your files never leave your device.
- Can I use Tangent Line commercially?
- Yes. The output of Tangent Line belongs entirely to you, with no licensing restrictions.
