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How to Add Open Captions to a Video?

Cliff Weitzman

Cliff Weitzman

CEO e fundador da Speechify

Gerador de voz com IA nº 1.
Crie narrações com qualidade humana
em tempo real.

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50M+ usuários

The Art and Science Behind Video Captions

The evolution of video content has led creators to constantly look for ways to enhance accessibility and engagement. One such powerful tool is the art of captioning. But how to add open captions to a video? This comprehensive guide unravels the mystery for you.

What are Open Captions?

Open captions are permanently visible text overlays on videos that represent the spoken content and relevant audio cues. Unlike closed captions, which can be toggled on or off, open captions are always "open" for viewing. They are embedded into the video file itself, ensuring they always remain a part of the video content.

Top 10 Use Cases of Open Captions

  1. Accessibility for the Hearing Impaired: Open captions make videos accessible to viewers who are deaf or hard of hearing, bridging the gap between content and audience.
  2. Non-native Speakers: English or any foreign language video content becomes easily consumable for those who aren't fluent.
  3. Noise-Sensitive Environments: Watching videos in libraries or noisy cafés? Open captions to the rescue!
  4. SEO Benefits: Videos with captions get better rankings on search engines due to improved accessibility.
  5. Clarity in Technical Tutorials: A tutorial involving technical jargon becomes clearer with open captions.
  6. Engagement on Social Media: Social media videos with captions tend to get higher engagement since many viewers watch without sound.
  7. Understanding Accents: Diverse accents in global content can be better grasped with captions.
  8. Podcast Transcriptions: Turning podcast audio files into captioned videos broadens the medium's appeal.
  9. Multilingual Content Creation: Offering content in different languages widens audience reach.
  10. Learning and Education: Students can grasp complex subjects better with both audio and text presentations.

The Step-by-Step Guide to Add Open Captioning

  1. Capture the Audio: Transcribe the video content either manually or using automated speech-to-text tools.
  2. Create the SRT File: Convert the transcription into an SRT file format, which contains timestamps and text.
  3. Sync with Video: Using video editing software like Adobe Premiere Pro or iMovie, import the SRT file and sync it with the video file. Ensure captions fit within the frame, and adjust timing if necessary.

Free Tools to Add Open Captions

There are numerous online platforms offering free open captioning services. Tools like YouTube Studio provide auto-generated captions for uploaded videos. However, always review auto-generated captions for accuracy and make necessary corrections.

Captioning in Action: Best Practices

The best way to add open captions involves ensuring clarity, accuracy, and good timing. Avoid overly lengthy text boxes, ensure synchronization, and choose a font that complements your video content.

The Significance of Video Subtitles

Adding subtitles or open captions enhances video accessibility, making it more inclusive. Beyond helping the hearing impaired, it aids comprehension, boosts SEO, and amplifies engagement on platforms like YouTube, TikTok, and Vimeo.

Top 9 Video Editors for Open Captions: Pioneering Captioning Technology

Speechify AI Video Generator

Pricing: Free to try

Create polished videos without any actors or equipment. Turn any text into high-quality videos with AI avatars and voiceovers – in less than 5 minutes. Try Speechify AI Video Generator.

Speechify Avatar Generator Features

  1. All you need is a laptop
  2. No staff. You can create a video in minutes
  3. Use 1 or many AI avatars at no additional cost
  4. Get your video in minutes
  5. Minor to no editing. Zero learning curve.

Speechify is clearly the best option to generate an avatar. While as a stand alone product, it is best in class, it also seamlessly integrates with the Speechify Studio suite of AI products for creators. Try it for yourself, for free!

Adobe Premiere Pro

Pricing varies by plan.

A premium video editor that supports multiple subtitle file formats. Top features: auto-sync captions, advanced video editing, multi-format support, integration with other Adobe products, and detailed tutorials.

iMovie

Free for macOS users.

Ideal for beginners. Features: simple captioning, drag-drop editing, built-in templates, audio enhancements, and trailer creation.

YouTube Studio:

Free.

A cloud-based editor primarily for YouTube videos. Features: auto-captions, analytics, SEO tools, monetization options, and direct publishing.

Vimeo Create

Pricing varies.

Tailored for Vimeo users. Features: built-in captioning tools, social media integrations, customization options, stock footage, and music libraries.

TikTok Video Editor

Free on TikTok app.

Aimed at short social media videos. Features: real-time captioning, filters, effects, music integrations, and AI-driven editing suggestions.

Windows Video Editor

Free for Windows users.

Simple and user-friendly. Features: caption addition, basic editing tools, 3D effects, direct sharing, and storyboard mode.

AutoCap

Freemium.

Auto-generates subtitles. Features: speech recognition, multiple languages, customization, export in various formats, and social media sharing.

Kapwing

Pricing varies.

An online video editor with AI-driven tools. Features: auto-subtitle generation, collaborative editing, meme creation, resizing, and cloud storage.

Descript

Pricing varies.

Transforms audio into text. Features: powerful transcription, overdub, podcast editing, screen recording, and multi-track timeline.

Produza narrações, dublagens e clones com mais de 1.000 vozes em mais de 100 idiomas

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Cliff Weitzman

Cliff Weitzman

CEO e fundador da Speechify

Cliff Weitzman é um defensor da causa da dislexia e o CEO e fundador da Speechify, o aplicativo número 1 de conversão de texto em fala do mundo, com mais de 100.000 avaliações 5 estrelas e líder de downloads na App Store na categoria Notícias & Revistas. Em 2017, Weitzman foi incluído na lista Forbes 30 under 30 por seu trabalho para tornar a internet mais acessível a pessoas com dificuldades de aprendizagem. Cliff Weitzman já foi destaque em veículos como EdSurge, Inc., PC Mag, Entrepreneur, Mashable, entre outros importantes meios de comunicação.

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Sobre o Speechify

Leitor de texto para fala nº 1

Speechify é a principal plataforma mundial de texto para fala, utilizada por mais de 50 milhões de usuários e avaliada com mais de 500.000 avaliações cinco estrelas em seus apps de texto para fala para iOS, Android, extensão para Chrome, aplicativo web e aplicativo para desktop Mac. Em 2025, a Apple premiou o Speechify com o prestigioso Prêmio de Design da Apple na WWDC, chamando-o de “um recurso fundamental que ajuda as pessoas a viverem melhor”. O Speechify oferece mais de 1.000 vozes naturais em mais de 60 idiomas e é utilizado em quase 200 países. Entre as vozes de celebridades estão Snoop Dogg, Mr. Beast e Gwyneth Paltrow. Para criadores e empresas, o Speechify Studio oferece ferramentas avançadas, incluindo gerador de voz com IA, clonagem de voz com IA, dublagem com IA e seu alterador de voz com IA. O Speechify também potencializa produtos de ponta com sua API de texto para fala de alta qualidade e excelente custo-benefício. Em destaque no The Wall Street Journal, na CNBC, na Forbes, no TechCrunch e em outros grandes veículos de notícias, o Speechify é o maior provedor de texto para fala do mundo. Acesse speechify.com/news, speechify.com/blog e speechify.com/press para saber mais.