PDF Word Counter, Free

Why counting words in a PDF is trickier than in a document

A word processor knows exactly how many words a document holds because it stored them as text. A PDF is different. It is a layout format, built to look identical everywhere, and the words inside it are often broken into fragments, positioned glyph by glyph, or split across columns and footnotes. Counting them reliably means pulling the text layer out first, reflowing it into readable order, and only then counting. That is what this tool does with pdf.js, the same engine your browser uses to display PDFs.

The result is that the count here can differ slightly from what your word processor reported before the file was exported. Headers, footers, page numbers, figure captions, and footnotes all count as text in a PDF even when the author did not think of them as body copy. If you need the body-only figure for an assignment or a submission, check whether the stated limit includes or excludes those parts, and read the total here with that in mind.

Reading the readability score

Alongside the raw counts, this tool computes a Flesch Reading Ease score. It is a number from roughly 0 to 100 that estimates how hard the text is to read, based on average sentence length and average syllables per word. Higher is easier. A score in the 60 to 70 band reads like a general-audience newspaper. A score in the 30 to 50 band reads like college coursework. Below 30, the prose is dense, the kind found in legal or academic writing.

The score is a guide, not a verdict. Technical documents are meant to be precise, and precision often lowers the score. Use it to catch sentences that ran away from you, not to flatten every sentence to the same length. Reading time and speaking time are estimated from the word count against typical silent-reading and speaking rates, so treat them as ballpark figures for planning a talk or a study session.

Scanned PDFs have no text to count

If your PDF is a scan, a photograph of a page rather than digital text, there is nothing for a word counter to read. The page is an image, and the words in it are pixels, not characters. This tool will report little or nothing for those files. The fix is to run our OCR PDF tool first, which recognises the text and embeds a real text layer, then come back here to count it. OCR runs on our server because it needs software a browser cannot host. Every other step of word counting stays on your device.

Nothing about your document leaves your browser

Manuscripts, dissertations, and unpublished drafts are exactly the documents people are most nervous about uploading, and they are the ones most often dropped into a word counter. This tool reads the text with pdf.js inside the page you are looking at. The file is never sent to us or to anyone else, so a confidential chapter or a client report can be measured without it ever travelling over the network. You can confirm this: open your browser's developer tools, watch the Network tab, and drop a file in. Nothing uploads.