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FormatJ SON Online: A Powerful JSON Toolkit That now Supports Files Up to 100 MB
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Dealing with large JSON files can be a headache — many online tools crash or refuse files past a small size limit. That’s why I built FormatJSONOnline.com, a toolbox that not only formats, validates, and converts JSON, but now supports files up to 100 MB. Here’s what makes it stand out, and how you can get full value from it.
Key Features & Highlights
✅ Format & Beautify JSON
Clean up minified or messy JSON into a readable structure.
Live Validation
Catch syntax errors instantly — missing commas, mismatched braces, and more.
Minify JSON
Remove unnecessary whitespace to compress JSON for performance.
Conversion Tools
JSON → Excel / JSON → CSV / JSON → XML
Excel → JSON & CSV → JSON
AI JSON Generator + Mock API
Generate JSON from plain English prompts, edit it, and publish it as a live mock REST endpoint.
Support Up to 100 MB
Unlike many tools with strict size limits, FormatJSONOnline handles files up to 100 MB, making it robust for real-world API responses and large datasets.
Additional Utilities
SQL Formatter
JSON Compare / Schema Validator / Path Finder / Dummy JSON Generator
How to Use It (Step-by-Step)
Upload or Paste JSON / Prompt Description – Either bring in your own JSON or describe what you want in plain English.
Edit & Validate – Fix any errors, beautify, or minify as needed.
Convert or Publish – Convert JSON to other formats or publish it as a mock API endpoint.
Why Support for 100 MB Matters
Many online JSON tools cap at a few MB, which means you have to split, reduce, or only format parts of large responses. Supporting 100 MB means:
You can format full API responses in one go.
No need to chunk your JSON manually.
Better for real production debugging and logging tasks.
Try It Out
Give it a spin here: https://formatjsononline.com
Use the conversion pages:
JSON to Excel
Excel to JSON
JSON to C#
JSON to PDF
Final Thoughts
Format JSON Online aims to be the one–stop JSON toolkit for developers. With support up to 100 MB, AI JSON generation, mock API creation, and robust conversions, it eliminates the need to bounce between multiple small utilities.
