2 Best Ways to Add Subtitles to MKV Automatically in 2023 (burned-in subtitles)

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2 Best Ways to Add Subtitles to MKV Automatically in 2023 (burned-in subtitles)

Last Updated: 2023. 07. 11

Adding subtitles to MKV engages viewers better and makes your video content accessible to people who speak a different language or often watch your videos with the sound off during commute and in quiet places.

So, if you are looking for a quick and easy way to automatically and permanently add subtitles to MVK, we’ve got you covered!

In this tutorial, we will walk you through how to automatically add burned-in subtitles to MKV files using an online video editor and other workarounds. So, let’s get into it now!

Preview

Fire Particles Bokeh Cinematic Movie Trailer

Use This Template

Preview

Tech Movie Trailer

Use This Template

Here’s what you’ll learn:

Automatically Add Subtitles to MKV by FlexClip Online

Add Subtitles to MKV in DaVinci Resolve

Also, read how to make realistic news tickers in news story videos.

Automatically Add Subtitles to MKV by FlexClip Online

Well, since not many video editors and video host platforms natively support MKV file format, if you are looking for an easy solution to automatically add subtitles to MKV for movies, lyric videos, and other high-quality video content and later share them to YouTube, TikTok or Instagram Reels, then using user-friendly and feature-rich FlexClip online video maker would be your go-to choice.

Effortlessly add subtitles to MKV files by FlexClip online.

Create Now

With FlexClip, you can:

Upload multiple MKV files to FlexClip’s in-browser video editor, and trim, split and combine MKV files and later use AI auto subtitle generator to instantly add burned-in subtitles to MKV videos in one click. It supports 140+ languages and allows you to easily customize the style of subtitles while the accuracy of auto-generated subtitles is up to 90%.

Automatically add subtitles to MKV by FlexClip’s AI auto subtitle generator.

Add Subtitles to MKV

Download the auto-generated subtitles of MKV files in SRT, VTT, SSA, ASS, SUB, SBV formats for blog posts, language localization, documentation, and other repurposings.

Download auto-generated subtitles for other repurposings.

If you already have SRT or other subtitle files, such as VTT, LRC, SSA, SUB, ASS, SBV of the MKV video, you can directly upload subtitle files to add subtitles to MKV and customize the style of subtitles as well.

Upload subtitles to MKV files.

What sets FlexClip apart from other MKV subtitle editors is that you can find extensive designer-made and fully-customizable video templates, covering movie trailers, YouTube tutorials, explainer videos, corporate promo videos, webinars, slideshows, travel, lyric videos, sports & fitness, IG Reels, etc. With an easy drag and drop of your video assets, you can create a captivating video in minutes.

Preview

Tech Movie Trailer Subtitles

Use This Template

Preview

Film Title Package Credits

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Preview

Travel Lyric Video

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Pop Lyric Video

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In addition, as a versatile AI video maker, FlexClip also offers you a wide array of time-saving AI tools, such as text-to-speech generator, text-to-image generator, text-to-video generator, AI video script generator, powered by ChatGPT and image background remover, audio extractor, to supercharge your editing workflow and reclaim precious time.

Convert text to realistic AI voices in a breeze.

Use Free TTS

Now, please walk with me to automatically add subtitles to MKV videos:

Step 1

Access FlexClip > upload your MKV files from your PC, phone, Google Drive, One Drive, Dropbox, or even Google Photos.

Upload your MKV files to FlexClip.

Step 2

Click the plus button to add your MKV file to the intuitive timeline. You can trim or split the footage when needed.

Add the MKV file to the intuitive timeline and trim or split the footage when needed.

Step 3

Automatically add burned-in subtitles to MKV.

Click the Subtitle tab > Auto AI Subtitle > identify the language in your MKV file > hit Next > select the style of subtitles. It can be changed later. > press Generate Subtitles button.

Auto-generated subtitles to your MKV files.

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Next, double-click the auto-generated subtitles to do proofreading > correct any misspellings > fine-tune the style of subtitles and text font, text size, color, text background fill, alignment, etc.

Proofread the auto-generated subtitles and fine-tune the style of subtitles.

If you find one subtitle that seems too long, you can press “Enter” to split it or click the Merge tool to combine two short subtitles. Pretty helpful!

Easily split or merge subtitles with ease.

Alternatively, you can click the download button and download the subtitle in SRT, SRT, VTT, SSA, ASS, SUB, and SBV formats to your PC for backup or other repurposings.

Download subtitles in SRT and other subtitle formats for other repurposings.

Create Now

Step 4

Preview and share.

Done with the editing. You can click the Export button to save the 1080P MP4 video to your PC or directly share it to YouTube, Google Drive, One Drive, Dropbox, or even TikTok; a clickable link is also available for your blog posts, newsletters or other repurposings.

Easily share and repurpose your video content.

Add Subtitles to MKV in DaVinci Resolve

Since MKV files are not supported natively for edits in both Premiere Pro and Final Cut Pro, another great workaround to automatically add subtitles to MKV is using the latest 18.5 version of DaVinci Resolve.

Automatically add subtitles to MKV in Davinci Resolve Studio 18.5 version.

Step 1

Launch the latest Davinci Resolve on your PC or Mac > import the MKV file > drag and drop it to the timeline > scrub the playhead to the end of the video to select the entire video.

Add your MKV files to the timeline in DaVinci Resolve.

Step 2

Automatically add subtitles to MKV.

Head to the Timeline tab above > scroll down and select Create subtitles from Audio > select English language, caption style (Teletext, Netflix), and max characters per line > hit Create button.

Auto-generate subtitles to MKV in DaVinci Resolve.

Step 3

Edit the auto-generated subtitle to MKV.

Drag and select all the subtitles on the subtitle track > go to Inspector panel > edit all the words of subtitles > change text font, text size and color, background shadow, etc. on the Track tab.

Proofread the subtitle of MKV and customize its style in Davinci Resolve.

Step 4

Export the MKV video with burned-in subtitles.

Click the Deliver tab > scroll down to Subtitle Settings > check Export Subtitle > Format > select Burn into Video > click Add to Render Queue > save the MKV file with burned-in subtitle to your PC.

Burn subtitles into MKV in Davinci Resolve.

The only downside of using DaVinci Resolve to automatically add subtitles to MKV is that the software itself is CPU and GPU intensive and this auto caption feature is not available to free users and currently, it only supports English for auto subtitles. Besides, the learning curve of DaVinci Resolve is far too steep for newies in video editing.

Now, It's Your Move

So, these are the two quick and easy ways to automatically add subtitles to MKV files. Please feel free to experiment with these two solutions and share this post on your Facebook or Twitter and tag to tell us which option works best for you. Cheer!

Add Subtitles to MKV Now

Frank /

Passionate about photography, video-making and travel, Frank is a seasoned copywriter and a beloved father of 2-year-old daughter at FlexClip. He is always keen to share his latest discovery about video marketing and tricks to relive your memories through videos and images.