Aegisub

by Aegisub Project

Open-source advanced subtitle editor favored by anime fansubbers.

TL;DR

Open-source advanced subtitle editor favored by anime fansubbers.

Best for karaoke and typesetting-heavy subtitle work in the ASS / SSA format. Pricing: free.

Category
Desktop apps
License
—
Stars
—
Last push
—
Pricing
free
Platforms
Windows, macOS, Linux

What it is

Aegisub is the long-running advanced subtitle editor for ASS / SSA formats, with karaoke automation and rich typesetting features. Beloved by anime fansubbers.

Best for: Karaoke and typesetting-heavy subtitle work in the ASS / SSA format.
Watch out for: Niche audience; UI is dated.

Install / use

aegisub.org

Features

Speaker diarizationNo
Word-level timestampsNo
Streaming / real-timeNo
Languages supportedNone
HIPAA eligibleNo

Aegisub vs Whipscribe

FeatureAegisubWhipscribe
CategoryDesktop appsTranscription APIs
Pricingfreefree beta
Speaker diarization—Yes
Word timestamps—Yes
Streaming—No
Languages—99
PlatformsWindows, macOS, LinuxWeb, API, MCP

Alternatives to Aegisub

MacWhisper
Jordi Bruin

Polished Mac app for Whisper — the default pick if you're on macOS.

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SuperWhisper
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Always-on system-wide dictation for macOS and iOS, powered by local Whisper.

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Aiko
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Free Mac App Store Whisper app — drag, drop, done.

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Whipscribe is a managed faster-whisper + whisperX service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.