Free QR code and barcode tools.
Read, check and convert codes right here in your browser —
on a phone or a computer. Nothing you drop in is uploaded,
and there is no sign-up.
Scan and read
Read QR codes, barcodes and Data Matrix codes from a picture or your camera.
- QR code scanner onlinepopularRead a QR code from a screenshot, a photo or your camera.
- Barcode scanner onlinepopularRead EAN, UPC, ISBN and Code 128 barcodes from a picture.
- QR code scanner for PCScan with a laptop webcam, a screenshot or a pasted image.
- Wi-Fi QR code scannerpopularGet the network name and password out of a Wi-Fi QR code.
- Data Matrix readerRead a Data Matrix code and see its parts in plain words.
- QR code decoderEverything inside a QR code: exact text, bytes, version, mask.
Check a code
See where a code goes and the warning signs, before you open it.
Barcode numbers
Check digits, conversions and what the first digits mean. Pure maths, no lookups.
- Barcode number checkerCheck any EAN, UPC, ISBN, GTIN-14 or SSCC number.
- Check digit calculatorpopularWork out the check digit for UPC, EAN, GTIN-14, SSCC, ISBN.
- UPC to EAN converterUPC-A to EAN-13 and back, UPC-E, and the GTIN-14.
- ISBN converterTurn ISBN-10 into ISBN-13 and back, check digit included.
- ITF-14 calculatorMake the GTIN-14 for an outer case from the item's barcode.
- Barcode country lookupWhich GS1 country office issued a barcode's first digits.
- Julian date converterToday's Julian date, and YYDDD / YYYYDDD codes to dates.
Stock and spreadsheets
Count things, label things and keep the list in a spreadsheet.
Contacts and files
Move contacts between phones and spreadsheets, turn photos into a PDF.
Camera and photos
Test your webcam, hide codes in photos before you post them.
Need to make a QR code or barcode? This site only reads and checks codes. Codes are made on our sister site, printqrcodegenerator.com.