Substital: Add subtitles to videos and movies

by Substital

Entertainment subtitles videos streaming languages accessibility entertainment learning media

Quick Look

Substital allows you to add subtitles to videos across various streaming platforms for enhanced viewing and language learning.

AI Overview

Who is this for?

Anyone who watches videos online and needs subtitles for comprehension, language learning, or accessibility.

Key Features

→ Supports multiple streaming platforms (Netflix, YouTube, etc.)
→ Search and add subtitles, or use your own SRT files
→ Customize subtitle appearance (font size, color)
→ Manually synchronize subtitles
→ Works on mobile browsers like Kiwi

Reviews Analysis

Overall Sentiment

Mostly Positive

Users find Substital highly accurate for subtitle timing and a great tool for non-native English speakers, though some have encountered occasional platform-specific issues.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.

What Users Love

✓ Highly accurate subtitle timing.
✓ Useful for language learners and non-native speakers.
✓ Supports a wide range of platforms and custom subtitle files.

Points to Consider

× Occasional issues with specific platforms like HBO Max, Netflix, Disney+.
× Some users report minor bugs or compatibility problems.

Official Description

From the Developer

Add captions to any video or movie on Netflix, Youtube or other platforms.

Be it on Netflix, Disney+, Youtube or any other online streaming website - Our mission is to fill any language gap that exists whether for entertainment, language learning or to make videos accessible to the Deaf and Hard-of-Hearing.

RECENT UPDATES:

01.09.25 Fix issues with HBO Max, Netflix, and Disney+. Mubi is now officially supported!
03.05.25 Fix issues with Amazon Prime Video and Dailymotion.
22.12.24 Update to ManifestV3. Fixes issues with Disney+ and ok.ru.
21.01.24 Use the new OpenSubtitles API and fix an issue with downloading subtitles
12.11.22 Fix issues with HBOMax
12.07.22 Fix issues with Amazon prime videos
11.03.22 Add support for HBOMax + Layout bug fix for big font size
15.02.22 New Design for the popover of the extension
15.02.22 Fix bug on mobile Kiwi browser (permission denied)
07.12.21 Added support for Disney+
07.12.21 Fixed the bug with Netflix new video player. Runs again on Netflix!

FEATURES:

Supports Netflix, HBOMax, Disney+, Amazon Prime Video, YouTube, and many other video platforms.
Can be used on android mobile devices with the Kiwi browser
Search for subtitles with the built-in-search feature.
Add your own subtitles with drag and drop (supported format: SubRip (.SRT) or ZIP archive containing a .SRT).
Manually synchronize the subtitles, if they are out of sync.
Change the subtitles font size, text colour and background color.
Supports special characters for languages like Greek or Arabic.
Substital is passive by default and won't inject anything in the pages you visit. Only YOU decide when to add subtitles to a video.

HOW TO USE:

Add the extension to your browser.
Pin it, so you can find it easily (Highly recommended).
Navigate to a website containing a video.
Click on the Substital extension at the top right of your browser. It will open a pop-over.
Select the detected video.
Add subtitles by searching or drop your own file.

Enjoy watching and if you like our product, please leave a review or let us know how we can make Substital even better!

🌞 Happy customers 🌞

Your extension? Let us know if we can update or correct anything!