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About JSON Flat
JSON Flat 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 JSON Flat
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.
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 JSON Flat
- Does JSON Flat work on mobile?
- Yes, JSON Flat is fully responsive and tested on iOS Safari and Android Chrome.
- Can I use JSON Flat commercially?
- Yes. The output of JSON Flat belongs entirely to you, with no licensing restrictions.
- Do I need to create an account to use JSON Flat?
- No. JSON Flat works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
- Are my files uploaded to a server when I use JSON Flat?
- JSON Flat processes everything in your browser using local APIs. Your files never leave your device.
- What browsers does JSON Flat support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.