Remove Empty Lines API

Remove blank lines from text, or collapse runs of blank lines into one.

POST /api/v1/tools/remove-empty-linesMCP remove_empty_linesText & Writing

Delete blank and whitespace-only lines from text, or collapse runs of empty lines into one. Keeps your line endings and works instantly in the browser.

Input

Send these as a JSON object. Unknown fields are rejected.

input: The text. (string, required)
whitespaceOnly: Count lines containing only spaces or tabs as empty. (boolean, default true)
collapse: Keep a single blank line where several were (and drop blank lines at the start and end) instead of removing them all. (boolean, default false)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/remove-empty-lines \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"input":"First line\n\n\nSecond line\n   \nThird line"}'

Example response

{
  "ok": true,
  "result": {
    "output": "First line\nSecond line\n   \nThird line",
    "total": 6,
    "removed": 2
  }
}