Web tool - Skin cancer image search

If you use a Chrome browser (in your computer or tablet) you may want to download our free Chrome extension.

With a click of a button, this Chrome extension analyzes similarities between your mole image and 100s of skin lesion images on the Internet that are tagged as 'skin cancer,' 'melanoma,' 'basal cell carcinoma,' 'squamous cell carcinoma,' as well as non-cancer skin lesions such as seborrheic keratosis, warts, and others.

The tool requires a (free) activation code. After installing the Chrome extension in your browser please enter one of the activation codes below:

January: 1970648

February: 2957206

March: 3943764

April: 4930322

May: 5916880

June: 6903438

July: 7889996

August: 8876554

September: 9863112

October: 10849670

November: 11836228

December: 12822786

If you need help with the activation codes, please email us: service@opticomdataresearch.com

You can download the tool (for free) by going to the Chrome Web Store .

You can also see a real-life example of how the software works in our pages of suspected melanoma using a smartphone or computer/tablet.

Below is the user's guide for this Chrome extension.


Skin Cancer Image Search

User's Guide

After installing the Chrome extension in your browser please follow the instructions below:

1. Click the mole icon (on the right side of the Chrome address bar).

Note: If the tool appears disabled (i.e. gray color) please read the Image Requirements below.


A browser\'s address bar, with a small icon/picture of a skin mole beside it.

2. Enter a valid activation code in the messagebox provided. For valid activation codes, please see top of this page.

3. A messagebox then asks you to click at the center of the mole you would like to analyze.


A messagebox displaying the message 'Please click/tap at center of skin lesion'

4. Once you click on the mole, the software will analyze it and display links to skin cancer (and non-cancer) images that may look similar to your mole.


A large image of skin mole, and below it, alligned vertically in a table, small thumbnail images of moles. Each thumbnail image has a number displayed beside it. The table of thumbnail images has two headings: 'Thumbnail Links' and 'Similarity Index'

To get a real-life idea how the software works, you can try using it by following the instructions above with the following mole images. Alternatively, you can use this Chrome extension with any other mole image on the web or to analyze your own skin mole images. However, please read beforehand the Image Requirements below.

Skin mole Skin mole Skin mole Skin mole Skin mole

If you need further help using this tool, please email us: service@opticomdataresearch.com

How this Chrome extension works

With a click of a button, this Chrome extension provides links to skin cancer (and non-cancer) images that are most similar to your own mole.

First, the software analyzes similarities between your mole image and 100s of skin lesion images on the Internet that are tagged as "skin cancer," "melanoma," "basal cell carcinoma," "squamous cell carcinoma," as well as non-cancer skin lesions such as seborrheic keratosis, warts, and others.

The software then displays links to 30 skin lesions that are most similar to your mole in the sense that a person looking at two such lesions may say that they have similarities. Specifically the software looks for lesions that have similar shapes and that the colors inside the skin lesions vary in a similar manner. In the latter case, the color of two lesions may be quite different, but the way the colors change inside the lesions make them look similar.

Beside each link, the software displays a "similarity index" of "0" to "100," where 100 means an identical (or nearly identical) image. However, we advise you to look through the 30 links that the software provides as these are the lesions that are most similar to your mole image among the images in our database.

Currently there are 100s of images in the software's database from 15 skin cancer websites and databases. We are in the process of adding more skin cancer (and non-cancer) images, and this Chrome extension (if you download it) will be updated automatically as we improve the database over time.

Image Requirements

The software can analyze images that contain multiple moles, images that contain (in addition to a mole) non-skin areas (e.g. shirt, watch), as well as very large images.

  1. There should be no hairs covering the mole.
  2. JPG or PNG format.
  3. Your mole image has to be hosted on the web (i.e. you cannot analyze an image stored on your harddrive). For example, you can upload your mole image to your facebook account, instagram account, dropbox, or any other website.
  4. Once your mole image is part of a webpage, right-click on the mole image and select "Open image in new tab" from the popup menu. You will then be able to use this Chrome extension to automatically search for skin cancer images on the web that look visually similar to your mole.