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Barcode Reader

Detect and extract barcodes in any document or image with our online barcode reader

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Max file size: 128 MB

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How to read barcodes in a document online

  1. To start, drop your file or upload it from your device or your cloud storage service. If you're using AvePDF with your mobile, you can capture the barcode with the device's camera.
  2. Select the type of barcode you want to decode and the relevant page range, and then click the button Read barcodes.
  3. The information extracted is displayed on-screen and you can copy it to the clipboard by clicking the Clipboard button.

Did you know?

There are several types of barcodes
A 1D barcode is a series of black and white lines of varying width and spacing. This visual pattern contains information that is read by a device. Barcodes are now ubiquitous in the sales, delivery, and transportation industries. Each barcode is unique and they can be generated endlessly.
So-called 2D barcodes contain more information than 1D barcodes and can also encrypt images and URLs, in addition to numbers and characters.
The QR code (short for QR for Quick Response) is a modern barcode that is most often used to redirect a user to a website or application. Recently, in the context of the COVID 19 pandemic, we find them in restaurants to view menus and on screening and vaccination certificates.
A Data Matrix is a two-dimensional barcode made up of various small black and white squares. Very similar to the QR code, the Data Matrix is only used to encode text or numeric data. The length of the encoded data depends on the number of cells present in the matrix. A Data Matrix barcode can encode up to 2,335 alphanumeric characters! Very common in the food industry, its readability facilitates labeling.
The Aztec code (Aztec code) is a 2D barcode with a central pattern of concentric circles (bullseye in English) that is reminiscent of the Aztec pyramids seen from above. Because it uses less space than other 2D barcodes it is more resistant to damage than larger barcodes, and is ideal for use with mobile devices.
The PDF417 combines both 1D barcode bars and the two-dimensional matrix of 2D barcodes. It is found on certain identity documents, transport tickets and in the postal sector. PDF in PDF417 stands for Portable Data File and therefore does not refer to the acronym PDF Portable Document Format. PDF417 barcodes were the first 2D barcodes to gain widespread popularity due to their error correction ability. Subsequently, all 2D barcodes will use the so-called Reed-Solomon error correction, which allows barcodes to be read even if they have been damaged.
We’ve been using barcodes for a long time
The very first barcode (1D barcode, also called linear) was scanned at the Marsh supermarket in Troy, Ohio, USA, in 1974. The goal was to track items sold and streamline the sales process and inventory. It then quickly gained popularity and spread around the world.
2D (two-dimensional) barcodes are more recent.
Ynjiun P. Wang of Symbol Technologies developed the PDF417 barcode in 1991. Its goal was to achieve a type of barcode that was more readable and offered better error correction than other barcodes of the day. Today, the PDF417 barcode is notably used for visas in the State of Israel and on the boarding passes of various airlines around the world.
The QR code was invented in 1994 by Denso Wave, an automotive company located in Japan. Created to hold more information than other types of bar codes, the QR code quickly became the most widely used. Today, QR codes can be of different sizes. The smaller, lighter micro QR code costs less to print and is easier to share.
Compared to older technologies like 1D barcode, Aztec code is used much less. After being designed in 1995 by the Association for Automatic Identification and Mobility (AIM, Inc.), it was quickly patented and made public.
The Data Matrix barcode was invented by International Data Matrix, Inc. in 2005. This barcode quickly became popular for its ability to simply encode text, thereby facilitating the process of creating and identifying labels for many companies.