CSV Cleaner

Clean up messy CSV. Paste below or upload a `.csv` file. Pick which fixes to apply, and you'll get a tidied version with a summary of what changed. Nothing is stored.

Maximum 10 MB. If you upload, the pasted text is ignored.

Related tools

  • JSON formatter — Validate, pretty-print, or minify JSON. Optional sort keys, choice of 2-space/4-space/tab indent.
  • CSV to JSON — Convert CSV text into a JSON array of objects. Auto-detects delimiter; handles headers, empty values.
  • JSON to CSV — Convert JSON arrays or objects into CSV. Optional flatten of nested keys; choice of delimiter.