Input boundary

What you can paste, and what happens next

Copy plain English text into the reading desk. Separate paragraphs with a blank line if you want paragraph-level focus.

Supported now

Pasted plain text from a public source or text you have the right to process. The browser performs selection locally. There is no file picker, PDF extraction, document upload, URL fetch, or external model service.

The size ceilings

The counter displays the exact number of JavaScript characters in the input. If it exceeds 120,000 overall, or one sentence exceeds 4,000, the tool refuses to process it and reports the actual count. It does not silently read only the beginning. Some symbols, including emoji, use two JavaScript character positions.

If something goes wrong

The text remains in the current tab so you can edit it and try again. Refreshing or closing the tab clears it. Use the Clear text button to remove it without refreshing. Read the data boundary.