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Data Selfie

Work in progress. Some information might not apply.

How to use

monitor your monitoring

  • open console in any Facebook tab (by pressing Alt+Cmd+J on a Mac)
  • you can see logs of what is happening in the background with Data Selfie

fix for most errors

  • "Have you tried turning it off and on again?" - refresh the Facebook tab or close and open a new one

short cuts

  • url bar, type "ds" + tab
  • available commands reset db, delete db, init db

access local data

tracked data
  • open console in background page or Data Selfie Me page (Alt+Cmd+J on a Mac)
  • go to the "Application" tab
  • Storage > IndexedDB
  • click triangle to expand the subitems
  • "DataSelfieLocalDB" contains all tracked data (this is not saved anywhere else(!), so be careful before clearing this storage)
chrome local storage
  • you can access settings, your general user data and the prediction

    • open console in background page or Data Selfie Me page (Alt+Cmd+J on a Mac)
    • copy{console.log(data)})
    • press Enter
  • you can delete your prediction results to start new

    • open console in background page or Data Selfie Me page (Alt+Cmd+J on a Mac)
    • copy["alchemy", "applymagicsauce", "personality"])
    • press Enter

How to run (locally) and pack

  • npm install
  • to make a build (folder) from src npm run build
  • to make a build and watch for changes npm run buildw
  • to make a build and minify etc (see webpack.config.js) npm run buildprod
    • use this to reproduce the code submitted to Chrome Web Store and Firefox Add-ons
    • for both Chrome and Firefox the content of the build folder is compressed and submitted to the developer platform

Chrome extension

  • in your Chrome browser go to chrome://extensions/ and tick the box that says "Developer mode"
  • now click "Load unpacked extension..." and choose the build folder you just created
  • you can now use Data Selfie, the extension icon (the eye) should now appear in your toolbar
  • it is tracking if the eye is black (instead of gray) and if you can see a clock at the bottom left in your facebook window

Firefox add-on

  • go to about:debugging and and click on "Load Temporary Add-on"
  • choose manifest.json from the build folder and hit enter

Difference Chrome and Firefox

  • background.persistent: Event pages are not currently supported in Firefox. Background page has to be persistent

Known bugs

  • posts like friendship anniversaries and memories are not considered, which sometimes leads to time being added to the previously looked at post
  • when Facebook tab has been in the background for a while and you go back the clock might not show up again
  • exporting your data can result in an invalid json file (that you can't import), when URLs contain double quotes " that are not escaped, you can do that manually by adding \ before the "
  • more bugs commented in source code marked with "// FIX"

To Do List

  • refine the limit of data sent to IBM (Alchemy and Personality Insights), now only last 300 rows - add date (e.g. last 5 days from last time active)
  • make tracking more stable (we need your help, please report any problems you run into)
  • improve Your Data Selfie (Me) page front end code (responsive, handlebars or similar instead of jquery append - I know horrible)


This project is maintained by one developer (Hang aka 01fade) as of now. Email to get involved. Email to report any issues you might have.

Last tested with:

  • Chrome Version 61.0.3163.100 (64-bit) with macOS High Sierra 10.13 with Facebook in English (US)
  • Firefox Nightly 58 with macOS High Sierra 10.13 with Facebook in English (US)


Data Selfie is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version.

Data Selfie is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

For more info see


Data Selfie - a browser extension to track yourself on Facebook and analyze your data.





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