yuantoolsDeveloper APIAccountBlog

FREE BROWSER TOOLS

JSON Formatter

Validate and format JSON online with readable two-space indentation. Free, local processing, editable output and JSON downloads.

Open the free tool →

Your PDF

TEXT + SCANNED PAGES

Free OCR: choose a language manually and use Fast recognition. Paid options are labeled in advance. Automatic and high-accuracy modes are not open yet and cannot be selected. Small screenshots are enhanced locally. OCR every page uses the daily page allowance. Review all results.

Text PDFs: up to 200 pages. Local OCR: up to 30 scanned pages, or PNG / JPEG / WebP images. First use downloads the recognition engine. OCR can be slow; review names, numbers and reading order. Tables and images are not preserved.

Choose a PDF to begin.

Your result

#

A clean start for your content.

Your editable result will appear here.
Copy it, refine it or download it.

1,500-character chunks · 200-character overlap. No embeddings; compatible with custom ingestion pipelines.
Waiting for a document

Daily allowance is stored on this device and resets at local midnight. Failed or cancelled conversions do not count. Paste a screenshot outside the text fields to run OCR.

How to use this tool

Paste a JSON object or array to validate its syntax and format it with two-space indentation. If the input is invalid, the tool reports a parsing error. The result remains editable and can be copied or downloaded as a .json file. It does not repair invalid JSON automatically.

Privacy and limits

Files and pasted content are processed on your device. No signup or payment is needed for these browser tools. Keep your original files and review the result before using it.

For developers: automate text and Markdown chunking with the paid API. PDF conversion and image OCR remain free browser features; cloud PDF/OCR is not included in the API yet.

See the API result →