Why Can't I Select Text in My Saved eTextbook PDF?

You saved pages from an etextbook as a PDF, opened the file, and the cursor will not select a word. Or it selects, but the pasted text is garbled. These symptoms have different causes, and each one has a different fix. Some are deliberate restrictions that should stay in place.

Identify which PDF you have

A saved textbook PDF usually falls into one of five cases:

Case	What you see
Image-only	Nothing selects, search finds nothing
Inaccurate OCR	Text selects, but search misses words or copies with errors
Unusual encoding	Text selects, but pasted characters are symbols or wrong letters
Copy restricted	Text may select, but Copy is greyed out
Mixed	Some pages behave one way, others another

Find your case before changing anything. Running OCR on a file that already has good text can make it worse.

Test search and selection on a Mac

Open the PDF in Preview and run three checks on a page of body text:

1. Drag across a sentence. A blue highlight means a text layer exists.
2. Press Command+F and search for a word you can see on the page.
3. Select a sentence, copy it, and paste into a plain text note.

Then open Tools in Preview's menu bar and choose Show Inspector to see whether the file reports security settings. Repeat the checks on a second page from a different chapter.

Image-only PDF

If nothing selects and search finds nothing, every page is a picture. This is an image-only PDF. It happens when a PDF is built from screenshots without OCR, or when a reader's print command outputs page images.

The fix is OCR, which reads the letters and adds an invisible text layer. If you have the original images, rebuild the file with Screenshot to Searchable PDF, which runs in the browser and keeps files on your Mac. If the pages came from a Temposhot session, select the frames in Capture History and export PDF, which runs OCR on each page.

OCR text is present but inaccurate

Selection works, but search misses words or copied text has errors. The OCR ran on a low-quality image. Small text, light grey fonts, two-column layouts, equations and footnotes are the usual trouble spots.

Rerunning OCR on the same blurry image rarely helps. Recapture the pages at a larger zoom if you are permitted to, then export again. The post on OCR missing equations, footnotes and diagrams covers the hardest content.

Native text with unusual encoding

Some publisher PDFs contain real text, but the fonts map characters in a nonstandard way. Selection looks normal, yet pasted text turns into symbols. This is common with math fonts and some older typesetting.

OCR is not the right fix for a file with native text. Copy short passages from the reader's own copy tool instead, or type the quote. If you need accessible text for a disability accommodation, ask the publisher or your disability services office for an accessible format.

Copying is restricted

A PDF can carry permissions that block copying or printing. Preview greys out Copy when this applies. The restriction comes from the publisher or platform and reflects the license terms for that title.

Temposhot does not change PDF permissions. It captures only what is visible on screen and cannot capture content that a reader app blocks.

Mixed PDFs need page-level checking

A PDF assembled from several saves can mix native text, OCR text and plain images. Test one page from each save batch. Mark the image-only ranges, then rebuild only those pages.

To pull ranges apart and put them back in order, use PDF Page Organizer. Combine the rebuilt pages with Merge PDF.

Better output for future saves

• Use the reader's own Save to PDF or print command first, where the title allows it.
• Zoom so body text appears at normal reading size or larger.
• Use single-page view and a light page theme.
• Frame only the page with a Custom Area source. See capture sources.
• Keep original frames as PNG so the OCR engine sees sharp letter edges.

FAQ

Does OCR make it legal to copy the text?

No. OCR changes how a file works, not what the license allows. Use it only on pages you have the right to keep.

Why does search work in one app but not another?

PDF viewers handle text layers differently. Test in Preview and in the app you plan to use.

Can I fix the file without the original images?

Yes. Export the pages to images with PDF to JPG, then run OCR on them, if the license permits it.

Working with pages you are allowed to save?

Temposhot exports permitted captures as a searchable PDF with OCR by default. Download Temposhot, or read the export formats guide to see each output.