Extract barcodes and QR codes straight from a PDF. PDF4 scans every page, decodes each barcode's value and type, and tells you where it sits — free, secure, and right in your browser.
Yes. You can detect and decode every barcode and QR code in a PDF right here online for free — no account, email, or credit card required. Sign up only if you want higher limits, larger files, or API access.
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No. PDF4 works entirely in your web browser, so there is nothing to download or install. It runs on Windows, macOS, Linux, Android, and iOS.
PDF4 reads the most common 1D and 2D symbologies, including QR codes, Code 128, Code 39, EAN, UPC, ITF, and Data Matrix. Each result shows the decoded value, the barcode type, and the page it was found on.