Human Equivalent Age
36
human years
PrimeFirst year = 15 human years, second year = 9 more, then +4 per year.
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100 calls/day, no card, no spam. Built by one person, in public.
About Cat Age
When you need this task done in seconds, Cat Age 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. If you find yourself doing this regularly, the rest of the utility suite covers most adjacent tasks with the same approach.
When you'd reach for Cat Age
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.
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 Cat Age
- Does Cat Age work on mobile?
- Yes, Cat Age is fully responsive and tested on iOS Safari and Android Chrome.
- What browsers does Cat Age support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Can I use Cat Age commercially?
- Yes. The output of Cat Age belongs entirely to you, with no licensing restrictions.
- Will Cat Age change my original file?
- Never. Cat Age only reads your input file and produces a new output file.
- Are my files uploaded to a server when I use Cat Age?
- Cat Age processes everything in your browser using local APIs. Your files never leave your device.
