Line Prefixer & Bulk List Formatter
Prepend custom text, markdown checkboxes, bullet points, or SQL clauses to every line of text.
About this tool
Convert raw lists into markdown task lists, quotes, or SQL clauses in one click by prefixing every line.
How to use this tool
- Enter the prefix string (e.g. "- [ ] " or "> ").
- Paste your list into the text area.
- Click Apply Prefix to Lines and copy the formatted list.
How it works
Splits text into lines and maps each non-empty entry with your designated prefix string.
When to use this tool
- Creating Markdown todo checklists from raw grocery or task items.
- Adding comment markers (// or #) or bullet symbols to raw data.
Frequently asked questions
Can it ignore empty blank lines?
Yes. Checking "Skip empty lines" prevents adding prefixes to blank separators.
Limitations
Processes up to 100,000 lines smoothly in memory.
Privacy
Zero server uploads.