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Is it possible to scan barcode from the mobile screen itself? Are there any tools that support scanning barcode from image file?

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i got barcode with without link to the product page while browsing from my galaxy nexus.. –  vhishma Dec 5 '12 at 14:48
    
Google Goggles can do this, you would probably have to take a screenshot, but you could then select the image using the gallery function in Goggles. –  ZnewmaN Dec 5 '12 at 14:57
    
You could possibly try the solutions in App that reads images of QR codes? I'm not sure if they work on other barcodes as well. –  eldarerathis Dec 5 '12 at 15:05
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3 Answers

up vote 3 down vote accepted

As already described in above comments, this would require taking a screenshot and saving it as an image file. Havind done that, there are several barcode scanners available in the playstore supporting "loading" of barcodes from image files, as e.g. QR BARCODE SCANNER or mentioned Google Goggles. I don't know of any barcode scanner capable of "scanning your screen directly".

EDIT: QR Droid seems to be capable of what you're looking for:

Scan QR codes from your camera, browser, SD card, or saved image

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Just realized you could probably long press on the image of the barcode itself and save it instead of taking a screen shot. –  ZnewmaN Dec 5 '12 at 15:56
    
Wow -- didn't think of that. A very good point for those amongst us with unrooted pre-ICS non-Samsung devices missing the screenshot functionality. Thanks for the hint! –  Izzy Dec 5 '12 at 15:57
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The only one I am aware of is that has is very reputable is called Redlaser Barcode Scanner:

http://redlaser.com/

Here is the Google Play Store Link:

https://play.google.com/store/apps/details?id=com.ebay.redlaser

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I'm frequently using Manatee Works 'Barcode Scanners' app towards such a purpose. Here's the Google Play Store demonstration application link, recently updated:

https://play.google.com/store/apps/details?id=com.manateeworks.barcodescanners

The app supports wide variety of 1D/2D codes, scans very fast and its free. The only downside is that the option to manipulate with the results are few, namely either copy or email, because its a mere demonstration.

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Care to elaborate more instead of just providing linkys? –  t0mm13b Feb 15 '13 at 15:56
    
Besides, according to the playstore description this is only a demonstration of some API? –  Izzy Feb 15 '13 at 16:04
    
The OP asked if there are any tools that can scan barcode images from mobile screen and I provided link to such a tool. Whether its a demonstration or not, it shows full result of a successful scan which you can copy or email it. On top of it, its free. –  Vangel Ivanov Feb 15 '13 at 18:33
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