File and text utilities in one unified flow.
ToolOtter — Free Online File & Text Utilities
Free online tools for text, PDF, and files: sort lines, remove duplicates, trim whitespace, word count, PDF merge, document conversion, Base64, and more. No sign-up.
No account required for basic use. Your files are processed securely.
Why ToolOtter?
Free to use
All tools are free. No hidden fees or premium tiers.
No sign-up required
Start using tools right away. Create an account only if you need higher limits.
Runs in your browser
Many operations run locally. Your data stays on your device when possible.
One place for many tasks
Text, PDF, documents, images, time, and converters in a single, consistent flow.
How it works
Choose a tool
Pick from text, PDF, document, image, or converter tools.
Add input
Paste text, upload a file, or enter a value.
Get your result
Download or copy the result instantly.
What users say
Trusted by thousands of users every day
“ToolOtter's sort & dedupe tool saved me hours. I clean up keyword lists in seconds — no install, no sign-up.”
Sarah M.
Freelance Writer
“The JSON formatter is always my first tab open. Fast, clean output, runs right in the browser. Couldn't be simpler.”
James K.
Software Developer
“Converting HWP files to PDF used to be painful. Now I just drop the file and it's done in seconds. Absolutely love it.”
Minji L.
Administrative Assistant
“Merged 8 lecture PDFs into one in about 10 seconds. Completely free and no account needed. This site is a lifesaver.”
Carlos R.
University Student
“CSV to JSON saves me so much time when organizing data. Clean output every time, totally free. Highly recommend.”
Yuki T.
Data Analyst
“I use the Base64 encoder regularly for encoding data. Super simple, works offline, no account required. Exactly what I needed.”
Emma P.
Content Creator
Tool categories