Quick answer
JSON BOM – causes and fixes.
JSON BOM
JSON BOM – causes and fixes. Use a JSON validator to locate the error.
Common causes
- UTF-8 BOM at start.
How to fix
- Save without BOM.
Use our JSON Validator to paste your input and see the exact error location. Validatethis.org offers free validators for JSON, XML, CSV, HTML, and more. Check /tools for the full list. For API access and integration, see /developers.
FAQ
- What is BOM?
- Byte order mark.
- Remove BOM?
- Strip first bytes.
Fix it now
Try in validator (prefill this example)