AI Context Window Calculator
AI ToolsWill my text fit in the model’s context window?
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
Similar tools you may like
History
All history →AI Context Window Calculator — at a glance
Will my text fit in the model’s context window?.
How to use it — step by step
Just your input — nothing to install or sign up for.
Add your input
Paste or type into the big box, or press “Try a sample” to see an example.
Choose options
Pick the settings you want. The defaults work well for most people.
Run the tool
Press the button and the result appears in a moment.
Copy the result
Use the Copy button to paste it wherever you need.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.