TXT Converter — Free Online
Change case and clean up plain text. Works in your browser, no install needed.
Free with a CeevTech Tools account — no credit card required.
How to use TXT Converter
Paste your text into the Text input box.
Choose a Transform from the list.
Click Transform, then Copy.
Why use CeevTech TXT Converter?
Clean up a messy list or fix capitalisation without retyping. CeevTech TXT Converter transforms pasted text to UPPERCASE, lowercase, Title Case or Sentence case. It can also trim each line, remove duplicate or blank lines, sort lines A→Z, and switch line endings between Windows (CRLF) and Unix (LF). The result appears instantly in your browser, ready to copy.
- Fast: processes your document in seconds.
- Private: runs in your browser, so nothing is uploaded.
- Works everywhere: desktop, tablet and phone, in any modern browser.
- One account, 79+ tools: PDF, image, office, AI, developer and business tools in one place.
Frequently asked questions
How do I remove duplicate lines?
Choose Remove duplicate lines. The first copy of each line is kept and later exact repeats are removed.
Can I apply several transforms at once?
One transform runs at a time. Copy the result back into the input box to apply the next one.
Is TXT Converter free?
Free with a CeevTech Tools account — no credit card required.
Do I need to install anything?
No. TXT Converter runs online in your browser on Windows, Mac, Linux, Android and iPhone.
Is my data private?
Yes. TXT Converter runs entirely in your browser, so your data never leaves your device.