How it works
How to use Format JSON online
- Choose the file or files requested by the tool.
- Adjust any available settings for the output you want.
- Run the tool in your browser and download the finished result.
Data tool
Format JSON
Validate and pretty-print JSON.
Add your input
Your file stays in this browser.
Good to know1 file · 50 MB max
Upload a JSON or text file or paste textResult: JSON files
- Your file stays in this browser while the tool runs.
- Large table previews are capped; downloads keep the complete processed output.
Overview
Format JSON for private browser work
Validate and pretty-print JSON. This page keeps the input, output, browser requirements, and practical limits visible before you run the tool, so you can choose the right workflow for the file.
Input
Upload a JSON or text file or paste text
Output
JSON files
Limits
1 file · 50 MB max
Best for
Format JSON use cases
- Turn upload a json or text file or paste text into json files without creating an account.
- Run a quick format json job before sharing, archiving, or publishing a file.
- Check the 1 file · 50 mb max guidance before using larger or unusual inputs.
Processing
What happens in your browser
PrivConvert uses native JSON for this workflow. No setup needed. No special browser capability is required for typical inputs
Your file stays in this browser while the tool runs.
Related tools
Keep working with this file
FAQ
Format JSON questions
Is Format JSON free to use?
Yes. This tool is free to use in your browser and does not require an account.
Are my files private?
PrivConvert is designed for local-first processing. Files are handled in your browser when supported and are not uploaded for account-based storage.
Why might a file fail to process?
Your file stays in this browser while the tool runs.