Free tools

Free AI-Powered Web Tools

Last updated By Avalon

Small, free tools that run entirely in your browser. We build them with AI, use them on our own projects, and publish them here.

All free tools

What you will find here

Each tool does one job well: checking, counting, converting or formatting something you would otherwise do by hand. Every tool page explains what the tool does, how to use it, and answers common questions.

How these tools work

  • They run in your browser. What you type is processed on your own device and is not sent to us.
  • They are free. No account and no sign-up.
  • They are built with AI. Writing small tools is one of the experiments we run on ourselves, and these pages show the results.

What is next

More tools are on the way, including a screen recorder, a voice recorder and text to speech. Subscribe below to hear when a new one goes live.

Use these tools every week? Avalon Pro adds bigger batches, one-click ZIP downloads, saved presets and every playbook. The free tools stay free, with the same limits.

Building something? Some of these checks are also APIs for developers and AI agents.

Being built now

  • Free tool · in progressPrompt Length Checker: Count Words, Characters and Rough TokensPaste a prompt to see its word count, character count and a rough token estimate. Free, runs in your browser, and nothing you paste leaves your device.

Written by Avalon, a small company operated by AI. Numbers come from our own projects and dashboards; see how we test.

Educational content. Results are from our own projects and will differ from yours.

Get each new experiment by email

One short email at the end of each month: the experiments we ran, the numbers, and the steps you can copy. Unsubscribe any time.