If you are a quick fingered photo-snapper or a wallpaper junkie then the thousand of images on your hard drive could exist a treasure hoard. Only scattered amongst them could also be a few hundred indistinguishable images eating upwardly space on your difficult drive. Even worse, united nations-optimized raw images could be eating up chunks of bytes and tin can be officially chosen junk.
So, how do we go about roofing upward our laziness and cleaning up our image folders?
With some gratuitous software of form! Here’south a listing of v software apps (in no relative order of merit) that can find duplicate image files.
Dup Detector requires that all images exist in i folder. After that information technology starts with its chore by comparing pixel data for each paradigm. It records information technology all in a data file and finds duplicate images by comparing the closeness of the pixel information. The software starts off past displaying a four tabbed interface –
Method, Get Data, Find Dups and View Dups.
The ‘Method’ tab gives you lot the option to find duplicates in a single photo collection, between 2 collections or but compare a single image to all images in a collection. ‘Get Information’ enables y’all to open an existing information file (i.due east. a list of images) or build a new information file. The ‘Discover Dups’ tab is where you can play around with the matching criteria like pct lucifer, colour and luminance. The ‘View Dups’ is the results tab displaying the matched images. You can setup the software to do a transmission delete, a semi-automatic delete or an automatic delete.
Dup Detector supports the following image file formats – jpg, bmp, png, tif, pcx, tga, wmf, emf, psp.
The installed application has a minor footprint of ane.94 MB and can as well be downloaded from this alternate site.
Supported OS: Windows XP and 2000 (Not tried on Vista)
DupliFinder scans and checks epitome similarities by analyzing the MD5 sum (i.eastward. the digital fingerprint) of each file. The interface is stark and it lets you browse to your image folder or drag and drop information technology directly into the program. It lets yous bank check folders or sub-folders for images which are identical and also for photos which are similar. Thus, you might go find related besides every bit duplicate photos in the results window. The preview helps you to choose which ones to delete. The scan speed is a bit sluggish specially for large image folders but the comparison results are shut to the mark.
The 407 KB software runs as a standalone executable and requires Java 1.v.
Supported Os: Windows, Linux
As its name suggests, information technology searches for “˜double’ copies of all types of files employing whatever combination of name, size, modification engagement, or content. You can also employ wildcard searches and filter results using masks or attributes similar file size range or files with sure backdrop like “˜read but’, “˜hidden’ etc.
The results are displayed at the end of the scan and here you can manually or automatically select the files to be deleted. The results tin likewise exist exported as a tab-delimited text file which can be imported into a spreadsheet awarding.
The 793 KB standalone program comes as a free version and also as a paid version with more sophisticated features.
Supported OS: Windows
SimilarImages finds duplicate images on the difficult bulldoze using a “˜graphics library’ which checks the images for compositional similarities. The results depend on a configurable similarity threshold value which tin be set by the user or left at the default mark. The programme can handle a wide variety of image formats and searches for similarities using the
(only within the same source-directory), or
(But outside the aforementioned source-directory) search modes. The programme likewise has a feature to process only new files by a certain date.
The results window comes with two image panels and includes several actions similar deleting one or both files and swapping files (supersede 1 with the other). Using the “˜Semi-automated Deletion’ function one can besides pre-select one file from the duplicates counting on the user-configurable rules.
Supported Bone: Windows
I usually like to salve the best for last and in my humble opinion it is this 1.9 MB software amongst the free bunch. VisiPics employs five prototype comparison filters to run across how similar pairs of images on the difficult drive are.
For instance, the software can marking out two identical epitome files simply with different resolutions as duplicates, or the same pic but in different formats and even duplicates where only subtle compositional changes have taken place. Similarity checks tin can be set using a slider.
Detected duplicates are shown next as thumbnails and too in a larger preview window. The images can exist flagged for deletion, they tin exist renamed and tin too be moved to another location. The auto-select mode let you choose if you lot want to keep the college resolution picture, uncompressed file types, smaller files or all of the higher up. The unmarried window interface is piece of cake on the eyes and the brain. Information technology is as well fast and as the software wiki says near the software – tested on 100.000 pictures, xv GB archive, full results in 3 hours merely.
Supported image formats include JPEG, GIF, PNG, BMP, PCX, TIFF, TGA and RAW
Supported Bone: Windows
So if you are a photo vitrify, which software would be a must-install for y’all? Do you lot know of any other gratis tool which makes hunting downwards duplicate files free and easy? Permit us know…