Gaupol

Windows · Linux

Freedom report

Two barsScore 6.4

Gaupol is ranked #4 of 31 in subtitle software on Freedom251. It runs on Linux, Windows. There is a free plan.

Gaupol plans and pricing

Gaupol Free Free Software under the GNU General Public License (GPL) · Linux otsaloma.io · 3 Oct 2026

Purpose: Gaupol edits text-based subtitle files for creating and translating subtitles, timing them to video, and correcting common errors.
Video playback: Gaupol includes a built-in video player and supports launching an external player.
Formats: Gaupol supports multiple subtitle file formats.
Availability: The maker lists Gaupol as available for Linux.
License: Gaupol is released as Free Software under the GNU General Public License (GPL).
Installation: The maker offers a Flatpak release and source code, and says Gaupol is packaged for most popular Linux distributions.
Windows: Windows installers are no longer built; the latest Windows version is 1.3.1, and its built-in video player is disabled.
Spell-check: The source installation guide lists libspelling as an optional dependency for spell-check.
Encoding: The source installation guide lists charset-normalizer as an optional dependency for character encoding auto-detection.
Integrations: Gaupol uses GStreamer for its integrated video player and recommends additional GStreamer plugins for broader container and codec support.
Subtitle library: Gaupol includes aeidon, a separately installable Python package for reading, writing, and manipulating text-based subtitle files.
Support: The project links to documentation, discussions, and an issue tracker for help and issue reporting.
Price from: Free

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