AnkiWeb
- Rating
- 2 (π 2 Β· π 0)
- Updated
- 2026-02-18
- Anki versions
- 2.1.66~
- Description language
- en
AnkiWeb addon 225211451
Permanently speeds up audio embedded in Anki cards using FFmpeg while preserving pitch, with preview, batch processing, undo, and supports common formats.
Open on AnkiWeb GitHub Ask about alternatives
stale
| Min Anki | Max Anki | Updated |
|---|---|---|
| 2.1.45 | 2.1.66+ | 2026-02-18 |
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Adds a built-in waveform audio trimmer to Anki card fields, using drag handles and precise inputs to preview and losslessly trim the first sound tag.
Batch-speeds up slow Anki card audio by a chosen multiplier, updates card HTML, deletes old files, and syncs across devices.
Normalizes card audio volume by measuring and creating verified, volume-adjusted copies for consistent playback while reviewing, preserving originals and processing locally.
Plays, crops, denoises, separates vocals, adjusts speed, visualizes pitch, batch-processes, and non-destructively saves or shares Anki audio.
Colorizes Japanese card text by analyzing pitch accent SVG diagrams, with customizable pattern colors, deck targeting, optional front-side display, and bulk recoloring for review.
Adds Anki review-screen speed, volume, and loudness normalization controls plus persistent deck audio analysis without modifying original files.
An Anki add-on that permanently speeds up audio files in your cards with pitch preservation, so they play back faster everywhere β not just during review.

Select cards in the browser, pick a speed, preview, and confirm. The add-on re-encodes your audio files using FFmpeg's atempo filter and updates your card references to point to the new files. Originals are always preserved.
brew install ffmpegatempoMIT