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How to Add Subtitles to a Video Online: 4 Easiest Ways (free/paid)

Last Updated: 2022. 11. 22

Adding subtitles to your video makes it easier to reach broader viewers who may speak a different language or have hearing loss. Besides, videos with subtitles can also boost viewers’ engagement, esp. at our time when growing videos are consumed with the sound off during commute.

Yet, adding subtitles to a video can be a time-consuming and mundane process in video editing. So, in this tutorial, we will walk you through the 4 easiest ways to add subtitles to a video online. Without further ado, let’s get started now!

Suspense Movie Trailer Video
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Suspense Movie Trailer Video
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Abstract Golden Movie Trailer
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Abstract Golden Movie Trailer
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Here’s What You Will Learn:

Also, read how to add subtitles to a video in iMovie.

How to Add Subtitles to a Short Video Online

If you are a content creator who often needs to add subtitles to a short video like a promo video, movie intro, and trailer, YouTube Shorts, Instagram Reels, or TikTok video, then a one-stop solution you can use to add subtitles to a video with styles is FlexClip online video maker.

Easily add subtitles to a video by FlexClip online.

With FlexClip, you can easily upload your clips from your PC, phone, or your social media to its in-browser video editor and select from the extensive eye-catching text and subtitles styles for your videos on the intuitive and magnetic timeline.

In addition, you can use designer-made and fully-customizable lyric video templates, movie trailers templates, typography videos, etc., and drag and drop to customize creative subtitles for your video projects, with no experience needed.

Animated Neon Lyrics
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Animated Neon Lyrics
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Web Designer Resume
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Web Designer Resume
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Ocean Adventure Movie Trailer
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Ocean Adventure Movie Trailer
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Tech Ai Movie Abstract Trailer
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Tech Ai Movie Abstract Trailer
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Step 1
Access FleClip and upload your clips from your PC or phone or your social account like Google Drive, Facebook, Instagram, etc.
Upload your video assets to FlexClip

Upload your video assets to FlexClip.

Step 2
Click the plus sign to add your clips to the timeline. You can trim or split clips for the video moments needed. Or drag and hold to adjust their sequence.
Add clips to the timeline and trim or split clips

Add clips to the timeline and trim or split clips.

Step 3
Add subtitles to the video.

Click the Text tab > select a title > customize the text, text fonts, styles, opacity, size, and colors of subtitles and their background. If you scroll down, you can find many useful text animations like lower thirds, wedding titles, birthday titles, Christmas titles, news tickers, etc.

Add subtitles to the video and customize its styles, fonts, colors, etc.

Add subtitles to the video and customize its styles, fonts, colors, etc.

If you are adding subtitles to a movie trailer or promo intro, you can hit the Motion tool and animate the subtitle with the cinematic typewriter effect, glossy blur, glitter, stomp, etc. You may drag the subtitle to wherever you want and easily trim it on the intuitive timeline.

Animate subtitles with cinematic text animation effects

Animate subtitles with cinematic text animation effects.

Step 4
Preview and share.

Done with the editing. You can download the video to your local computer or directly share it to your YouTube channel, Google Drive, or Dropbox; a clickable link and an embed code are also available for repurposing.

How to Add Subtitles to a Long Video Automatically

If you are about to add subtitles to a long video interview, public speech, or a movie, manually adding subtitles to a video would be far time-consuming. A great solution is to use AI to automatically add subtitles to your video and then correct the inaccurate words. To that end, Kapwing's auto subtitle generator works like magic.

Add subtitles by Kapwing’s auto subtitles generator

Add subtitles by Kapwing’s auto subtitles generator

Step 1
Upload a Video to Kapwing

Interestingly, not only can you directly upload your clips from the local computer, but also paste a URL to add subtitles to an online video like your YouTube video.

Step 2
Select Auto Generate and Target Language for the Subtitle

Then Kapwing will use AI to automatically process the video and generate subtitles for different time slots.

Step 3
Preview Subtitles and Refine the Subtitles in Detail

Since auto-generated subtitles can't be 100% accurate when it comes to slang, accents or names, etc. So, you need to playback the video from beginning to the end and correct the wrong subtitles manually.

Step 4
Download the Edited Video

You can directly download the video with subtitles in MP4 format locally. However, if your video is more than 7 mins, you need to upgrade to Kapwing Pro subscription for the free download.

How to Add Subtitles to an Uploaded YouTube Video

Apart from online video editors like FlexClip or Kapwing, if your videos have already been published to YouTube, you can use YouTube Studio to directly add subtitles to online YouTube videos, which is completely free.

Use YouTube Studio to add subtitles to an online YouTube video

Use YouTube Studio to add subtitles to an online YouTube video

Step 1
Go to YouTube Studio
Step 2
Click on "Subtitles" on the Left Sidebar and Select the Video and Hit "Add" Button
Step 3
Select How to Add Subtitles to a YouTube Video
  • Upload File: YouTube allows you to upload an SRT. file, a text-based file that contains the words of your subtitle and the exact timing when a subtitle is shown and disappeared. To do so, you have to prepare for it manually, which is time-consuming.
  • Auto-sync: You need to prepare all the transcripts of the video and the timing of the subtitles and then paste them into the auto-sync box. Then YouTube will automatically match the subtitles with the right timing in the video. However, the auto-sync feature can take quite a while.
  • Type Manually: Manually set the frames for the beginning and end of the captions and type the subtitles one after another.
  • Step 4
    Save the Subtitles to the Video

    How to Add Subtitles to a Video from the Help of Professionals

    If you are desperate to meet the deadline while preferring high accuracy for adding subtitles or captions to your videos, then asking professionals to manually add subtitles may also be a feasible solution.

    In this case, an affordable subtitle service is using Rev's speech-to-text service. So, you can get professionals to add subtitles, including foreign subtitles to your video around 24 hours after you submit your order, with 99% accuracy. Also read, how to transcribe video to text.

    Use Rev’s human service to add subtitles or captions to your videos

    Use Rev’s human service to add subtitles or captions to your videos

    Step 1
    Head to Rev.com and Create an Account and Log into it
    Step 2
    On the Top Right Corner, Click "Place New Order” for Captions or Subtitles
    Step 3
    Upload Your Video Locally or Give a Video Link from YouTube or Vimeo to Rev's Staff
    Step 4
    Check Estimated Delivery Hours, Cost, and Pay for It ($1.25/min)

    After your caption/subtitle file is complete, you will receive an email confirmation and Rev will attempt to upload the SRT. file directly to your online video. Or you may log into your Rev's account and down the SRT file yourself.

    Final Thoughts

      Add Subtitles Cost Interface
    FlexClip Manual; tons of text animations with styles; for short videos Free & watermark-free Timeline
    Kapwing Manual; auto-generate, support multiple languages; for long videos Free, limited to less than 7 mins for free users Timeline
    YouTube Studio Manual; upload SRT file; prepare full transcripts for auto-sync Fee & watermark-free Timeline, subtitle box
    Rev Human Service Help you add subtitles to videos manually or prepare a SRT file $1.25/min; 24 hrs turnaround; 99% accuracy No subtitle editor

    To sum up, there are different pros and cons for these 4 options to add subtitles to a video. If you have short clips and need a variety of subtitles and text animations, FlexClip is a perfect choice. If your videos are long and you are pressed for time to add subtitles one after another, then Kapwing's auto-subtitle generator and Rev's affordable human service could also be a great alternative. Hopefully, you will find our post helpful and don't forget to share it with your friends on Facebook or Twitter.

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