| Neck | Size | EU |
|---|---|---|
| 14" | 14/S | 36 |
| 14.5" | 14.5/S | 37 |
| 15" | 15/M | 38 |
| 15.5" | 15.5/M | 39-40 |
| 16" | 16/L | 41 |
| 16.5" | 16.5/L | 42 |
| 17" | 17/XL | 43 |
| 17.5" | 17.5/XL | 44 |
| 18" | 18/XXL | 45-46 |
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About Collar Size
When you need this task done in seconds, Collar Size delivers a clean, focused interface without the friction of a generic tool. Everything happens client-side, which means your files and data never leave your machine. The interface is intentionally minimal so you can focus on the task instead of learning the tool. 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 Collar Size
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 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.
Frequently asked about Collar Size
- Will Collar Size change my original file?
- Never. Collar Size only reads your input file and produces a new output file.
- Are my files uploaded to a server when I use Collar Size?
- Collar Size processes everything in your browser using local APIs. Your files never leave your device.
- Do I need to create an account to use Collar Size?
- No. Collar Size works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
- What browsers does Collar Size support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Does Collar Size work on mobile?
- Yes, Collar Size is fully responsive and tested on iOS Safari and Android Chrome.