If you need the words out of a PDF -- to paste into an email, drop into a document, or search through in a plain text editor -- you don't need to install anything or send the file to a server. LockerPDF's PDF to Text tool pulls the text content out of a PDF entirely in your browser, then lets you copy it or download it as a .txt file.
How text extraction actually works
A PDF that was created from a word processor, a web page, or most design software stores its text as actual text objects -- each character, word, and line has a position on the page along with the string of text it represents. Extracting text from that kind of PDF means reading those existing text objects directly out of the file's internal structure. LockerPDF's tool does this using pdf.js, the same open-source PDF rendering engine Firefox uses, running entirely inside your browser tab -- it walks through every page, reads the text content already embedded in it, and stitches it together into plain text.
The important limitation: this is not OCR
This is the part worth being precise about. Extracting existing text is a completely different operation from OCR (optical character recognition), which reads the shapes of letters out of an image and guesses what characters they represent. LockerPDF's PDF to Text tool does the former, not the latter -- it reads text that's already stored as text in the PDF's structure.
That means if your PDF is a scanned page -- a photo of a paper document, or a fax turned into a PDF -- there's no embedded text layer to read at all. The page is just a picture, even though it looks like a document. Running that kind of PDF through this tool will return little or no text, not because anything went wrong, but because there's genuinely nothing to extract. If you're not sure which kind of PDF you have, try selecting text directly in a normal PDF viewer first: if you can click-and-drag to highlight words, the text layer exists and this tool will extract it cleanly. If clicking just selects the whole page like an image, it's a scan, and no text-extraction tool -- including this one -- can pull real text out of it without OCR, which LockerPDF doesn't currently offer.
Step by step: extracting text from a PDF
- Go to the PDF to Text tool and drag your PDF into the dropzone, or click to browse for it.
- Once the file loads, you'll see its page count and a preview of the first page.
- Click "Extract Text." The text content of every page is pulled out and shown in a preview box.
- Copy the text directly with the "Copy text" button, or download it as
extracted.txt.
Extraction typically takes well under a second for a normal document, since it's just reading structure that's already in the file rather than analyzing pixels.
What you get -- and what you don't
The output is plain text: no fonts, no layout, no images, no page breaks beyond a blank line between pages. If the original document had columns, tables, or a specific visual arrangement, that structure isn't preserved -- text is pulled out roughly in the reading order pdf.js finds it in, which usually matches the visual order but isn't guaranteed to for complex layouts like multi-column pages or PDFs with unusual internal structure. If you need the words for searching, quoting, or pasting into another document, this is exactly what you want. If you need to preserve formatting or keep the file as an editable document, this tool isn't the right fit -- LockerPDF doesn't currently offer PDF-to-Word conversion, since doing that well while staying fully client-side is a harder problem than text extraction.
When you'd extract text instead of just reading the PDF
A few common reasons to pull text out rather than just open the file: searching a long document for a term using a plain text editor's find function when the PDF viewer's search is slow or unreliable; pasting a passage into an email or chat without formatting artifacts coming along; feeding the content into another tool that only accepts plain text; or archiving the textual content of a document separately from its visual layout. If you only need a couple of paragraphs rather than the whole file, it's often faster to just select and copy directly from a PDF viewer -- this tool is most useful when you want the entire document's text at once, or when you want it as a standalone .txt file.
Why nothing gets uploaded
Because pdf.js runs as JavaScript in your browser, the entire extraction -- opening the file, reading each page's text objects, assembling the output -- happens on your device using memory your browser already has access to. Your PDF is never sent to a server, which matters if the document has anything sensitive in it -- contracts, medical records, financial statements. You can check this yourself: open your browser's developer tools (F12), go to the Network tab, and run an extraction. You won't see any outgoing request carrying your file's contents.
FAQ
Will this tool extract text from a scanned PDF?
No. It reads text that's already embedded in the PDF's structure -- it doesn't perform OCR. A scanned page saved as an image has no embedded text layer, so extraction on that kind of PDF returns little or nothing, even though the page visually contains words.
Are my files uploaded anywhere when I extract text?
No. Extraction happens entirely in your browser using JavaScript. Your PDF is read from your device and processed locally -- it's never sent to a server, and there's no account required.
Will the extracted text keep its original formatting?
No. The output is plain text with no fonts, layout, columns, or images -- just the words, roughly in reading order, with a blank line separating each page's content.
How can I tell if my PDF has extractable text before running it through the tool?
Open the PDF in a normal viewer and try to click-and-drag to select some text. If you can highlight individual words, the text layer exists and this tool will extract it. If clicking only selects the whole page like a picture, it's a scanned image with no embedded text to pull out.