Subler

Subler

Subler is a free, open-source macOS application for editing metadata, subtitle tracks, and chapter markers in MP4 and M4V video files. It provides an easy-to-use interface for manipulating subtitle tracks, adding or editing metadata like titles and descriptions, and more.
Subler image
metadata subtitles chapters mp4 m4v

Subler: Free & Open-Source Video Metadata Editor

Edit MP4 and M4V video files with Subler, a user-friendly macOS application for managing subtitle tracks, metadata, and chapter markers.

What is Subler?

Subler is a free and open-source application for macOS that allows users to edit metadata, subtitles, and chapters in MP4 and M4V video files. It provides a user-friendly graphical interface to make modifications that are difficult or inconvenient to do manually.

Some of the key features of Subler include:

  • Add, edit, or remove metadata tags like titles, descriptions, ratings, etc.
  • Import, edit, and export subtitle tracks in formats like SRT and WebVTT
  • Add or remove chapter markers within the video
  • Split or trim video files into smaller clips
  • Convert between container formats like MP4 and M4V
  • Automate metadata and subtitle actions using the batch processing tool

Subler aims to offer advanced customization and editing tools for video files in an accessible application for macOS users. It can help streamline post-production workflows by taking care of mundane metadata and subtitle tasks. The batch processing features also help convert or make changes to multiple files at once.

As an open-source tool, Subler is completely free to use. It is developed as a hobby project by Damiano Galassi and maintained through community contributions on GitHub.

Subler Features

Features

  1. Edit metadata like titles, descriptions, ratings
  2. Manipulate subtitle tracks
  3. Add or edit chapter markers
  4. Supports MP4 and M4V video formats

Pricing

  • Open Source

Pros

Free and open source

Easy to use interface

Active development and community support

Cons

Limited to MP4/M4V formats

Less features than paid alternatives

MacOS only


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