Free online tools

A growing collection of small, fast, privacy-friendly web utilities. No sign-up, no ads, nothing stored.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text.
Word Counter

Count words, characters, and lines in a block of text.
URL / Domain Inspector

Break a URL or domain into protocol, subdomain, domain, and TLD - and learn what each does.

Frequently asked questions

Are Protooli tools free?

Yes. Every tool is completely free to use with no sign-up and no ads.

Do you store the data I enter?

No. The tools process only what you submit to get a result and do not save it.

Do I need to install anything?

No. The tools run in your browser at protooli.com - there is nothing to download or install.