local / text lines / JSONL
Convert text to line-numbered JSONL.
Inspect blank and identical lines, then save JSONL. Processing stays in this browser.
Enter text
Paste text first.
| Line | Finding | Text |
|---|
Limits: 10 MiB input / 10,000 lines / 512 KiB per line. Line endings become LF; internal blank lines and line numbers remain. No external communication, autosave or analytics.
Boundaries
- Identical non-blank lines point to their first line number. Case changes remain distinct.
- Blank lines remain blank; one terminal newline is treated as a line terminator.
- This does not validate JSON or perform semantic duplicate detection.