CornerTools

QR Code Scanner

Scan QR codes and barcodes with your camera or from an image. See the full link before you open it.

Point your camera at a QR code or barcode

Camera frames never leave your device

Read in this browser · stops at the first code

Drop an image here or paste it, or

Your images never leave your device

Processed in this browser · JPG, PNG, WebP, GIF, BMP, AVIF or HEIC · one at a time

Reads QR codes and barcodes with your camera, or from a photo or screenshot you upload, drop or paste. It shows where a link really leads before anything opens, and reads Wi-Fi details, contact cards, UPI and Bharat QR payment codes, emails, phone numbers and map locations into plain fields. Camera frames and images are processed on your device: nothing is uploaded.

How to use it

  • Camera — uses the rear camera where there is one, with a switch between cameras and the torch where the phone offers it. Hold the code inside the square, the middle 75% of the picture; scanning stops at the first code read, and the camera turns off when you leave the tab.
  • Image — a photo or screenshot, iPhone HEIC included. Every code in it is listed in reading order and outlined on the picture. Large photos are read at 2,000 px on the longer side, then once more at up to 4,000 px if nothing is found, for a code that is small in the frame.

It reads QR, Micro QR, rMQR, Data Matrix, Aztec and PDF417 codes, EAN-13, EAN-8, UPC-A and UPC-E (with 2- and 5-digit add-ons), Code 128, GS1-128, Code 39, Code 93, ITF, Codabar and GS1 DataBar barcodes. Each result shows its format, its text to copy and, under Raw bytes, exactly what the code holds, for a code written in a character set the text does not show correctly.

Nothing opens by itself. A link shows its host in bold and opens only from Open link; a javascript: or data: address is shown as text and never opened. Calls, emails, messages and WhatsApp chats likewise wait for a button.

A UPI code shows the payee name, UPI ID, amount and note, and lists a merchant's other details as written. On a phone, Pay with a UPI app hands the code, exactly as scanned, to a UPI app, which shows the payee's name as their bank holds it before you enter your PIN. A Bharat QR or other EMVCo merchant code shows the merchant, city and amount, checks the code's checksum, and lists every field it holds.

Examples

A link that hides its host

Scanned text
https://mybank.com@secure-login.example/verify
Opens
secure-login.example

Everything before the @ is a user name for the site, not the site itself. The scanner shows secure-login.example and warns that the address starts with mybank.com@.

A look-alike address

Scanned text
https://аpple.com/account
Opens
аpple.com (xn--pple-43d.com)

The first letter is the Cyrillic а, not the Latin a. The browser sends the name as xn--pple-43d.com, its Punycode form; the scanner shows both and warns that the address uses letters outside a–z.

Frequently asked questions

Scanning only reads the text; the risk is in what you open. Fake codes stuck over real ones in car parks, restaurants and on parcels lead to pages that copy a bank or payment site. Before opening, check the host shown in bold is the one you expect, letter by letter. Be wary of a short link (the scanner recognises 17 common shorteners, such as bit.ly), which hides its destination, and never enter a password or card number on a page reached from a code you did not expect. To pay by UPI, you only ever enter your PIN to send money, never to receive it.
Most often the code is too small in the picture, blurred, or lit with a glare across it. Fill more of the frame with the code, hold still, and turn on the torch in dim light. A screenshot reads better than a photo of a screen. A damaged code reads only while its error correction can make up the loss, and a code missing its plain margin may not read at all.
Take a screenshot and upload it here, or copy the image and paste it on this page with Ctrl+V (⌘V on a Mac). On a phone, choose the screenshot from your photos.
India's common merchant payment code, made by NPCI with the international card schemes. One code takes card payments, and an integrated Bharat QR code carries UPI details too. It is written in EMVCo's merchant-presented format: numbered fields ending in a checksum, which this scanner checks. The UPI details inside follow NPCI's own specification, which is not public, so they are listed as written.
Yes, with no licence or fee. DENSO WAVE, which invented the QR code, states that it can be used freely as long as it follows the JIS or ISO standards. "QR Code" is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

See also