Subtitles vs. Closed Captions: What's the Difference?
These two terms are often used interchangeably, but they serve slightly different purposes:
- Subtitles assume the viewer can hear the audio. They transcribe only spoken dialogue, typically used to translate content into another language.
- Closed Captions (CC) assume the viewer cannot hear the audio. In addition to dialogue, they include descriptions of sound effects, music cues, speaker identification, and ambient sounds — all the audio information needed to fully understand a scene.
For deaf and hard-of-hearing viewers, closed captions are far more informative. Look for the [CC] label on streaming platforms to ensure you're getting the full accessibility experience.
Closed Captions on Major Streaming Platforms
Netflix
Netflix offers closed captions for most of its content and allows extensive customization. Go to Account → Profile → Subtitle Appearance to change font size (up to 300%), color, background opacity, and text edge style. On mobile, caption settings are found within the episode playback screen.
Disney+
Disney+ provides captions and audio descriptions for the majority of its library. Caption styling can be adjusted in your device's system accessibility settings (especially on Apple and Android devices) and sometimes within the app's subtitle settings.
Amazon Prime Video
Captions are available on most titles. Look for the speech bubble icon during playback. Subtitle appearance can be customized per-profile through the account settings.
YouTube
YouTube offers auto-generated captions for videos that don't have manual captions — though quality varies. Creator-uploaded captions are generally more accurate. Access caption settings via the gear icon in the video player, and customize appearance through Settings → Accessibility on your device.
Customizing Caption Appearance for Better Readability
Many viewers find default caption styles hard to read. Here's what you can typically adjust:
- Font size — Larger text is easier to read quickly. Most platforms support at least three size options.
- Background opacity — A semi-transparent dark background behind text greatly improves contrast against bright scenes.
- Font color — White or yellow text tends to be most readable. Avoid colors that blend with common scene tones.
- Text edge / outline — A dark outline or drop shadow keeps text legible without needing a heavy background box.
On Apple devices, go to Settings → Accessibility → Subtitles & Captioning → Style to create a custom caption style that applies across all compatible apps.
When Platform Captions Are Unavailable
Some platforms have limited or no caption support for certain titles — particularly older content or international libraries. In these cases:
- Download a closed-caption SRT file from a site like OpenSubtitles (look for files tagged "SDH" — Subtitles for the Deaf and Hard of Hearing).
- Use a media player like VLC, which lets you load external subtitle files on top of streaming content via screen capture, or use it for locally stored files.
- For Plex users, the Bazarr companion app can auto-fetch SDH subtitles for your entire library.
Audio Description: The Complement to Captions
For viewers who are blind or have low vision, audio description (AD) tracks narrate visual elements of a scene — action, facial expressions, on-screen text. Most major platforms offer AD for a growing portion of their libraries, usually toggled in the same audio/subtitle menu as captions.
Legal Standards for Captioning
In many countries, broadcasters and streaming services above certain audience thresholds are legally required to provide captions. In the United States, the FCC mandates captions for television broadcasts, and the rules have expanded to cover online video that was previously broadcast. The EU's European Accessibility Act is bringing similar requirements across member states. If you find a platform consistently failing to provide captions for major content, it may be worth reporting to the relevant regulatory body.
Accessibility in media has improved dramatically — but there's still progress to be made. Knowing your options empowers you to advocate for better standards and find workarounds when platforms fall short.