10-for-1 split:
Shares: 100 → 1000
Price: $1000 → $100.00
Total value: $100,000 (unchanged)
Get a free API key + new tools as they ship
100 calls/day, no card, no spam. Built by one person, in public.
About Stock Split
Stock Split is a free, browser-based utility designed to make this task as quick and frictionless as possible. 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 Stock Split
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.
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 Stock Split
- Are my files uploaded to a server when I use Stock Split?
- Stock Split processes everything in your browser using local APIs. Your files never leave your device.
- What browsers does Stock Split support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Will Stock Split change my original file?
- Never. Stock Split only reads your input file and produces a new output file.
- Is Stock Split really free?
- Yes — Stock Split is free for unlimited personal use, with no account required and no watermark on the output.
- Does Stock Split work on mobile?
- Yes, Stock Split is fully responsive and tested on iOS Safari and Android Chrome.