History Visualizer

AnkiWeb addon 1545338943

Visualizes deck review history as circles, squares, future-due cards, stars, revlogs and bars, using size, color and motion to show review counts, stability and ease, with clickable card previews.
AI-generated summary; may contain mistakes.

statistics

Open on AnkiWeb GitHub Find alternatives

AnkiWeb

Votes
14 (πŸ‘ 13 Β· πŸ‘Ž 1)
Updated
2025-12-25
Anki versions
25.09.2~
License
MIT (from the GitHub repository)
Virus scan
No ClamAV match A match does not prove malware. No match does not prove that the code is safe.
Languages
JavaScript, Python, CSS
Description language
en

Maintenance

stale

  • Last update or commit: 2025-12-25 (311 days before the snapshot).
  • Commits in the last year: 4.
  • Issues: 0 open, 2 closed.
  • Pull requests: 0 open, 0 merged.
  • Median first response: 2 hours (2 answered issues and pull requests).

Will it work on my Anki?

Version branches
Min AnkiMax AnkiUpdated
25.0125.09.2+2025-12-25
History across monthly snapshots

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Description

https://github.com/xiety/anki_history_visualizer

Shift+Click to select deck in main Anki window

Main menu: Tools | Visualize History

Report bugs to https://github.com/xiety/anki_history_visualizer/issues

You can click on a circle or a square to see the card's preview at the bottom.

Circles

Screenshot 1

The size of the ball is the total number of reviews. The color of the ball is the stability.

The maximum height the ball jumps is the stability too.

The bottom of the screen is the current day's reviews.

The ball falls to the bottom, you review it, and it jumps back to the height of it's current stability.

You can click on a circle to see the card's preview at the bottom.

Squares

Screenshot 2

Review colors: Red - Again, Dark Green - Hard, Green - Good, Yellow - Easy

The more stable, the more purple the square.

You can click on a square to see the card's preview at the bottom.

Future Due

Screenshot 3

Colors: Red - Again, Dark Green - Hard, Green - Good, Yellow - Easy, Dark cyan - New card

The more stable, the more purple the square.

Stars

Screenshot 4

Changelog:

  • 01.10.2025 v0.7 - Revlogs and Bars visualizations

  • 18.01.2025 v0.6 - Stars visualization

  • 16.11.2024 v0.5 - Future Due visualization

  • 09.07.2024 v0.4 - Square visualization, animation speed, open card info

  • 04.07.2024 v0.3 - Ball size and day height parameters, parent decks support, window resize support

  • 03.07.2024 v0.2 - Hover to show card info, click to open card browser, play button, horizontal lines

  • 02.07.2024 v0.1 - Initial prototype

README

Anki History Visualizer Addon

https://ankiweb.net/shared/info/1545338943

To download this add-on, please copy and paste the following code into Anki:

1545338943

Shift+Click to select deck in main Anki window

Main menu: Tools | Visualize History

You can click on a circle or a square to see the card's preview at the bottom.

Circles

Screenshot 1

The size of the ball is the total number of reviews. The color of the ball is the stability.

The maximum height the ball jumps is the stability too.

The bottom of the screen is the current day's reviews.

The ball falls to the bottom, you review it, and it jumps back to the height of it's current stability.

Squares

Screenshot 2

Review colors: Red - Again, Blue - Hard, Green - Good, Yellow - Easy

The more stable, the more purple the square.

Future Due

Screenshot 3

Colors: Red - Again, Blue - Hard, Green - Good, Yellow - Easy, Dark cyan - New card

The more stable, the more purple the square.

Stars

Screenshot 3

Changelog:

  • 01.10.2025 v0.7 - Revlogs and Bars visualizations

  • 18.01.2025 v0.6 - Stars visualization

  • 16.11.2024 v0.5 - Future Due visualization

  • 09.07.2024 v0.4 - Square visualization, animation speed, open card info

  • 04.07.2024 v0.3 - Ball size and day height parameters, parent decks support, window resize support

  • 03.07.2024 v0.2 - Hover to show card info, click to open card browser, play button, horizontal lines

  • 02.07.2024 v0.1 - Initial prototype