Issues

• ZXing JS fails to decode many simple and clear QR codes that are decoded successfully by ZXing for Java

  bug
  zxing-js/library#653 · Filter by author a-student opened on Aug 13, 2026

• Arl

  question
  zxing-js/library#652 · Filter by author pratikshakirjat-source opened on Aug 5, 2026

• 996411/r:27Aaagmo289c2zl

  question
  zxing-js/library#651 · Filter by author pratikshakirjat-source opened on Aug 5, 2026

• Afl

  question
  zxing-js/library#650 · Filter by author pratikshakirjat-source opened on Aug 5, 2026

• MultiFormatReader logs NotFoundException while scanning

  bug
  zxing-js/library#648 · Filter by author motabass opened on Jul 10, 2026
  3

• Inexplicable error with decodeContinuously() (iPhone only)

  bug
  zxing-js/library#642 · Filter by author ffff65535 opened on Oct 17, 2025
  1

• HTMLCanvasElementLuminanceSource.toGrayscaleBuffer() auto invert issues

  bugno-issue-activity
  zxing-js/library#641 · Filter by author Borgling opened on Jul 29, 2025
  4

• Test failure RSSExpandedBlackBox2TestCase#testBlackBox: AssertionError [ERR_ASSERTION]: Try harder, Rotation 0 degrees: Too many images failed.

  bugno-issue-activity
  zxing-js/library#639 · Filter by author olleolleolle opened on Jun 25, 2025
  1

• decodeOnceFromConstraints returns Exception Error: "NotReadableError: Could not start video source"

  bugno-issue-activity
  zxing-js/library#636 · Filter by author giannencljsn opened on May 22, 2025
  1

• BrowserQRCodeReader.decodeFromImage() never returns

  bugno-issue-activity
  zxing-js/library#635 · Filter by author monyxie opened on Apr 20, 2025
  1

• Not scanning Micro / Smaller QR codes

  no-issue-activityquestion
  zxing-js/library#633 · Filter by author balajin2022 opened on Feb 6, 2025
  2

• Support for Scanning Micro QR Codes (Mini QR Codes)

  feature requestno-issue-activity
  zxing-js/library#627 · Filter by author Amcongtu opened on Nov 18, 2024
  3

• Typo: isMediaDevicesSuported => isMediaDevicesSupported

  bugno-issue-activity
  zxing-js/library#626 · Filter by author abitwhy opened on Oct 31, 2024
  1

• How to handle errors from the BrowserMultiFormatReader?

  question
  zxing-js/library#624 · Filter by author Laurenz-M opened on Oct 28, 2024
  1

• Prevent show dialog scan QR code with full screen mode on WKWebview IOS

  question
  zxing-js/library#623 · Filter by author KIA-AKIRA opened on Oct 23, 2024
  1

• ASP MVC view with VB.net, how to use <script src="/scripts/zxing-library.min.js"></script>

  question
  zxing-js/library#617 · Filter by author novaeraerp opened on Sep 11, 2024

• Getting N: Dimensions could be not found. when using decode from image feature.

  bug
  zxing-js/library#616 · Filter by author jainhitesh9998 opened on Sep 9, 2024

• Library randomly fires hallucinated "successful" scans

  bug
  zxing-js/library#612 · Filter by author mattmattmatt opened on Aug 13, 2024
  3

• Not supporting smaller QR code less.

  question
  zxing-js/library#611 · Filter by author rohitpote000 opened on Aug 8, 2024
  1

• Rollup Build Errors: "this" has been rewritten to "undefined" and Circular Dependencies

  question
  zxing-js/library#610 · Filter by author ophiryaniv-ts opened on Jul 3, 2024
  1

• QR code with border line didn't work in ImageBarcodeReader.

  question
  zxing-js/library#609 · Filter by author thuta21 opened on Jul 1, 2024
  1

• Wrong characters for Aztec decoder in Decoder.MIXED_TABLE

  bug
  zxing-js/library#607 · Filter by author alexanderpopko opened on Jun 27, 2024

• Samsung Galaxy S22 rear camera cannot be selected properly

  question
  zxing-js/library#603 · Filter by author Amilmaho opened on Jun 11, 2024
  1

• BrowserMultiFormatReader is not able to decode image if the image src is define as base64 data

  bug
  zxing-js/library#602 · Filter by author ghevge opened on Jun 7, 2024

• How does it work in nodejs? The code for demo has been invalid

  question
  zxing-js/library#598 · Filter by author greenking19 opened on May 21, 2024
  4