Jubler

7.0easy start · #3 of 31
in Subtitle Software

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, Windows.

Jubler is ranked #3 of 31 in subtitle software on The Geeks Club. It runs on Linux, macOS, Windows. There is a free plan.

Jubler plans and pricing

All plans

Free Free Free; the project relies exclusively on donations. Desktop subtitle editor · VLC required for video preview and audio waveform · Generic Java version does not support embedded preview jubler.org · 3 Oct 2026

Compared on subtitle software

Free plan: Yes
Auto-captioning: Yes
Subtitle translation: Yes
SRT export: Yes
VTT export: Yes

Best Jubler alternatives

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VideoLocalize 0 of 4 in the starter kit Lesson 17.4 Editsub 0 of 4 in the starter kit Lesson 27.3 SRTGen 0 of 4 in the starter kit Lesson 47.0 Subtitle Edit 0 of 4 in the starter kit Lesson 57.0 Checksub 0 of 4 in the starter kit Lesson 66.9 EZTitles 0 of 4 in the starter kit Lesson 76.8

The record

Purpose: Jubler is a free, open source editor for creating, editing, and converting text-based subtitles.
Formats: The homepage lists support for more than 20 subtitle formats, including SRT, ASS/SSA, WebVTT, TTML, ITT, DFXP, and YouTube subtitles.
Editing: Editing tools include time shifting, frame rate conversion, splitting and joining entries or files, spell checking, and regular expression find and replace.
Preview: Jubler provides VLC-based video and frame preview, audio waveform visualization, and real-time subtitle editing during playback.
Timeline: Its interactive timeline has draggable subtitle blocks and two-point synchronization.
Quality checks: Jubler offers configurable quality validation rules and TED guidelines compliance checking.
Translation: The homepage lists translation mode with Azure Translator support.
Integrations: The site lists VLC for video and audio preview and ASpell for spell checking; it also describes Azure Translator support.
Automation: Jubler includes command-line tools for batch processing and automation.
Privacy: Its privacy policy says no user data is collected and no usage information is sent to a service.
Support: The contact page directs users to GitHub for issues and support.
Platform downloads: The download page lists macOS builds for Apple Silicon and Intel, Windows, Linux builds for x86_64 and arm64, and a generic Java version.
Preview requirement: The download page says VLC is required for video preview and audio waveform; ASpell is suggested for spell checking.
License: The homepage states that Jubler is licensed under GNU Affero General Public License v3 (AGPL-3.0).
Price from: Free

Where it ranks on The Geeks Club

Best Subtitle Software in 2026#3 of 31

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Sources

jubler.org· checked 3 Oct 2026
jubler.org/privacy.html· checked 3 Oct 2026
jubler.org/contact.html· checked 3 Oct 2026
jubler.org/download.html· checked 3 Oct 2026