Add Suffix To Lines
Append a custom suffix to the end of every line. Useful for adding delimiters, commas, or markers across lists.
Input
Output
Tip: You can verify in DevTools → Network that nothing is uploaded.
About this Add Suffix To Lines
Add Suffix To Lines transforms your text instantly according to specific rules. This tool processes your input locally in your browser.
Use this tool to clean, format, or prepare text for your workflow. All processing happens locally — nothing you paste is sent to a server.
- Process text data quickly without external tools
- Transform content for development workflows
- Clean and format text for analysis
- Enable Auto to transform as you type
- Upload text files directly from your device
- Download the result when done
FAQ
No. Everything runs locally in your browser. Nothing you paste is sent to a server.
After the page loads once, it will typically keep working offline (unless you hard refresh with no cache).
No. Your input stays in your browser. Only optional preferences like theme or language may be stored.
Any plain text. You can paste text directly into the input box.
No. It appends the suffix after the existing text on each line.
Many versions do. If you want to skip empty lines, remove them first or add an option.
Yes. This is a common use case (e.g., append a comma to each line).