AI Text Chunker
AI ToolsSplit long text into token-sized chunks
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History
All history →AI Text Chunker — at a glance
Cut long documents into AI-friendly pieces that fit the model’s limit.
How to use it — step by step
Any long text, plus the chunk size and overlap you want (tokens are estimated at about 4 characters each).
Paste your input
Paste or type your content into the big input box.
Choose options
Pick the mode and options that fit what you need.
Split Text
Press the button. The result is created instantly on your device.
Copy the result
Check the output and press Copy to use it anywhere.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Is the token count exact?+
No. It is an estimate of about 4 characters per token for English. Real counts depend on the model.
What is overlap for?+
The end of one chunk is repeated at the start of the next so the AI keeps the context between them.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.