Audio Waveform Trimmer

AnkiWeb addon 547478812

Adds a waveform-based audio trimmer to the card editor, letting users drag boundaries, preview selections, and losslessly trim the first sound file in a configured field.
AI-generated summary; may contain mistakes.

note-management

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Votes: 1 (👍 1 · 👎 0)
Updated: 2026-06-25
Anki versions: unknown
License: AGPL-3.0 (from the license file in the package)
Virus scan: No ClamAV match A match does not prove malware. No match does not prove that the code is safe.
Languages: Python, JSON
Description language: en

Maintenance

active

Last update or commit: 2026-06-25 (129 days before the snapshot).
Test files: 1.
Commits in the last year: 5.
Issues: 0 open, 0 closed.
Pull requests: 0 open, 0 merged.

GitHub

Repository: wilsonnet/anki-audio-waveform-trimmer · more by wilsonnet
Stars: ⭐ 0 · forks 0 · open issues 0
Last commit: 2026-06-25
License: A license file that GitHub does not recognize
Languages: Python
Tests: 1

Will it work on my Anki?

Version branches

Min Anki	Max Anki	Updated
2.1.0	–	2026-06-25

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Description

Audio Waveform Trimmer

An Anki 2.1 add-on that adds a built-in waveform trimmer for audio files in your cards.

screenshot

Features

Waveform viewer — click the Audio button or press Ctrl+E in the card editor
Drag handles — set left and right trim boundaries directly on the waveform
Precise input — spinboxes for second-by-second time control
Preview playback — hear the trimmed result before committing, using ffplay
Lossless trim — commits with ffmpeg -c copy (fast, no re-encoding)

Only the first [sound:...] in the configured field is edited; additional audio files are left untouched.

Requirements

Anki 2.1 (tested on Anki 24.04+)
ffmpeg, ffprobe, and ffplay installed and available in PATH

Configuration

Via Tools → Add-ons → Audio Waveform Trimmer → Config:

| Key | Default | Purpose |
| shortcut | "Ctrl+E" | Keyboard shortcut in the editor |
| audio_field_name | "Audio" | Field name with [sound:...] tags |

Usage

Open the card editor (Add or Browse)
Click the Audio toolbar button or press Ctrl+E
Drag the red handles on the waveform to set trim boundaries
Click Play Selection to preview the trimmed audio
Click Trim & Save to commit (replaces the file in-place)

Editing is non-destructive until you hit Trim & Save.

Diagnostics

Run Tools → Edit Audio: Run Diagnostics to verify ffmpeg, media paths, and field configuration.

License

GNU Affero General Public License v3.0 or later.

URL

https://github.com/WilsonNet/anki-audio-waveform-trimmer

README

Audio Waveform Trimmer

An Anki 2.1 add-on that adds a built-in waveform trimmer for audio files in your cards.

Features

Waveform viewer — click the Audio button or press Ctrl+E in the card editor
Drag handles — set left and right trim boundaries directly on the waveform
Precise input — spinboxes for second-by-second time control
Preview playback — hear the trimmed result before committing, using ffplay
Lossless trim — commits with ffmpeg -c copy (fast, no re-encoding)

screenshot

Only the first [sound:...] in the configured field is edited; additional audio files are left untouched.

Requirements

Anki 2.1 (tested on Anki 24.04+)
ffmpeg, ffprobe, and ffplay installed and available in PATH

Installation

Download the .ankiaddon file
In Anki, go to Tools → Add-ons → Install from file
Select the downloaded file

Alternatively, copy the edit_audio_external folder into your addons21 directory.

Configuration

Via Tools → Add-ons → Audio Waveform Trimmer → Config:

Key	Default	Purpose
`shortcut`	`"Ctrl+E"`	Keyboard shortcut in the editor
`audio_field_name`	`"Audio"`	Field name with `[sound:...]` tags

Usage

Open the card editor (Add or Browse)
Click the Audio toolbar button or press Ctrl+E
Drag the red handles on the waveform to set trim boundaries
Click Play Selection to preview the trimmed audio
Click Trim & Save to commit (replaces the file in-place)

Editing is non-destructive until you hit Trim & Save.

Diagnostics

Run Tools → Edit Audio: Run Diagnostics to verify ffmpeg, media paths, and field configuration.

License

GNU Affero General Public License v3.0 or later.