OCR Viewer | Zyeon UI

Preview in your theme

status='ready' — 15 regions on page 1 of 3. Hover a line and its box lights up on the scan; hover a box and the line lights up. Click a box and focus moves to the matching line, so the arrow keys carry on from there (↑ ↓ move, Home/End jump, Esc clears). Selection and page are controlled by this demo — every callback is echoed below. The scans are seeded picsum photographs standing in for paper.

Invoice · front1 / 3

15 regions mapped onto the scan

Hover or focus a line to light up where it came from. ↑ ↓ move, Esc clears.

no callback fired yet

Same document, opened on the handwritten page with lowConfidenceThreshold={0.99} and copyScope='document'. Raising the bar turns almost every token into a dotted underline — hover one for its score — and the copy button now writes all three pages instead of the current one.

Handwritten inspection note3 / 3

5 regions mapped onto the scan

Hover or focus a line to light up where it came from. ↑ ↓ move, Esc clears.

status='ready' with a scan that 404s. The image slot says so and the boxes are withheld — geometry with nothing to align to would sit on the wrong pixel — while the recognised text stays listed, flagged and copyable.

Archive scan (image missing)

4 regions mapped onto the scan

Hover or focus a line to light up where it came from. ↑ ↓ move, Esc clears.

A page with zero regions inside a ready document: a separator sheet the engine found no text on. Different from status='empty', which means nothing was recognised anywhere.

Separator sheet

0 regions mapped onto the scan

No text was recognised on this page.

status='loading' — the OCR job hasn't come back yet.

status='empty' — the document was processed and no text came out of it.

No text was recognised in this document.

status='error' — the job itself failed. A different failure from a low-confidence read, so it reads differently and offers a retry.

Couldn't read this document

The OCR worker timed out after 60s. job-id: ocr_7f2c9ad1

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