OpenSub

1 like

OpenSub is an open-source desktop application for auto generating subtitles, editing, and styling subtitles with a visual editor.

OpenSub screenshot 1

Cost / License

Free
Open Source

Application type

Subtitle Editor

Origin

India

Platforms

Mac
Windows
Linux

OpenSub alternatives

1like

0articles

Properties

Privacy focused

Features

Dark Mode
No registration required
No Tracking
Works Offline
Ad-free
Support for subtitles
Visual timeline
Subtitles and captions
Timeline-based

Tags

Highlights All activities

Recent activities

Mauricio B. Holguin added OpenSub as alternative to Overcaption
2 months ago
niksavc liked OpenSub
4 months ago
Paul added OpenSub as alternative to Captions, Crayo.ai, StoryLab.AI, Capte App and 10 more
4 months ago
Paul added OpenSub
4 months ago

OpenSub information

Developed by
SivaPA08
Licensing
Open Source and Free product.
Written in
Svelte
Alternatives
15 alternatives listed
Badge
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Supported Languages
- English

AlternativeTo Category

GitHub repository

3 Stars
0 Forks
0 Open Issues
Updated Jun 27, 2026

Popular alternatives

OpenSub was added to AlternativeTo by Paul on Jun 29, 2026 and this page was last updated Jun 29, 2026.

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What is OpenSub?

OpenSub is an open-source desktop application for auto generating subtitles, editing, and styling subtitles with a visual editor.

Features:

Auto Subtitle creation and editing
Visual timeline editor
Custom subtitle styling
Local processing
Cross-platform support (Windows, Linux, macOS)