8 Essential Ways to Add SRT to MP4 for a Better Viewing Experience

Looking to add SRT to MP4 to make it a multilingual masterpiece with clarity, accessibility, and even cultural insights? Subtitles allow anyone to watch an MP4 and follow along without missing a beat. They can decipher quirky accents or translate a foreign language documentary, movie, travel vlog, etc., as you will see below. Without further ado, let's dive in.

What is an SRT file

A SubRip Subtitle file (SRT) is a plain text document containing subtitle text listed in sequential order along with specific start and end timecodes. It acts as a video script highlighting spoken words and their timings. It is among the most used subtitle file formats; it is flexible, small, and easy to use. But why should you add SRT to MP4 videos?

• Increasing accessibility: people with hearing impairments and non-native speakers can use subtitles to follow along with the dialogue and enjoy an MP4 video.
• Enhancing comprehension: subtitles help your viewers keep up with fast-paced dialogue and difficult accents and understand unclear audio.
• Reaching a wider audience: subtitles are the secret weapon to make YouTube, TikTok, Twitch, etc., videos ready for international distribution.
• Additional benefits: since search engines can index the subtitle text, your MP4s rank higher in search results. Also, your viewers have something to read and focus on, which can boost their engagement.

Overall, adding SRT to MP4 files is a great way to make your videos more accessible, understandable, and enjoyable for a wider audience.

How to add an SRT file to MP4 on a PC

With installable media editing software, you do not need an internet connection to add SRT to MP4. Below are the top picks:

1. CapCut desktop video editor

CapCut desktop video editor is a feature-rich media editing software that lets you add subtitles in SRT format to an MP4 video. It is the offline version of the CapCut online video editor but has more features, including font case, character, and line settings. Also, it has various bubble styles and text art effects to make stylish subtitles.

You can add text to or delete sections of the uploaded SRT file and use text animations like pop-up, float down, etc., for transitions. If you want to narrate the subtitles with a filtered voice, use the text-to-speech feature. It has different voice effects, including British Female, Male Professor, Elfy, etc.

The tool also lets you align the subtitles to a certain position on the screen and adjust the character and line spacing to make the on-screen text easily readable. What's more, you can give your subtitles a background color.

Steps

Step
1. Upload media
2. Launch the CapCut desktop video editor, then click New Project. If the MP4 video is stored on your computer, click Import to upload it or drag and drop it into the import window.
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   Download for free

   

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4. If you do not have a ready video, this tool conveniently lets you generate one or pick a template. Click AI-generated, then type in a prompt to automatically create an AI video, or go to Library and select a premade video from 100+ video templates.
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Step
6. Add SRT and edit
7. This software makes adding SRT subtitles a bliss. Click Text in the top left menu, go to Auto Captions, then select Local captions. Hit the Import button, then locate and add the SRT file. Drag and drop it into the timeline or click the blue plus '+' icon at its bottom right corner.
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9. Now, it's time to start editing your SRT file to change its appearance and timing. Click Captions on the right menu to view, delete, or add text to your SRT file. The Text section next to Captions lets you apply basic text settings. You can tweak the font, change its size, and apply styles such as bold, underline, and italics. Click Case to choose between upper, lower, and title case, and click Color to switch your subtitle text color.
10. You can also change the opacity, background, glow, alignment, etc. Alternatively, for faster editing, click Templates and select a text preset.
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12. In the animations tabs, you can select animations such as slide and fade in, etc., out animations such as throwback and fade out, etc., or loop animations such as flicker, scrolling, and flare, among others. Click Tracking to apply Motion Tracking and set a direction such as backward, forward, or both. Moreover, the text-to-speech feature lets you choose a voice effect to read your subtitles or lyrics out loud.
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14. You can rearrange the sequence of subtitles by dragging and shuffling the clips on the timeline. To apply effects to the text in a clip without affecting the other subtitles, click on the particular clip from the timeline, then deselect Apply to all under the Basic tab.
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16. Besides its robust SRT editing features, the CapCut desktop video editor is also a powerful and comprehensive video editor with many features. They include basic functions such as cropping, trimming, and rotating, among others, and advanced functions like split scene and mask to isolate and edit specific video parts, etc. But that's not all.
17. CapCut desktop video editor also has a suite of AI tools like smooth slow-mo for spectacular slow-motion effects and AI styles such as face swap, scene swap, etc. Other video resources include effects, filters, stickers, and transitions, among others.
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19. Export

Once the subtitles have aligned with your video's audio, click Export to download the video to your device or share it online. Before exporting, adjust the resolution (up to 4k), format (MP4 & MOV), and frame rate (up to 60fps), among others.

Remember to give your video a unique name, select where to save it, and run a copyright check to ensure all your material has no copyright issues. Now, click Export. You can share the captioned video directly to TikTok or YouTube in the next window.



2. Movies & TV app on Windows 10

The Movies & TV app is a digital video service by Microsoft that allows users to rent or buy movies, series, and TV shows and play them. This app also permits you to embed SRT in MP4 when watching for subtitles. You can add multiple closed captions and switch between them as you watch.

Steps

Step
1. Open a video with the Movies & TV app, then click the message bubble icon next to the volume icon in the lower left corner. If you hover over it, it reads closed captioning.
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2. Once you hit it, the Choose subtitle file button will appear. Click it, then select and add an SRT file. The subtitles will automatically be visible on your video.
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3. If you wish to tweak the appearance of the subtitles, go to Windows PC Settings, Ease of Access, and Closed captions.
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3. VLC

VLC is a universally accepted free, cross-platform multimedia player that allows you to add subtitles in SRT format when watching a video. You can tweak the subtitle's font size or increase or decrease the subtitle delay to help the closed captions align with the audio.

Steps

Step
1. Play a video using the VLC media player.
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2. Click Subtitle from the toolbar on the top left, then select Add Subtitle File. Locate and add the relevant subtitles. They will be shown automatically when you press play on the video.
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3. Click V to turn the subtitles on or off when watching and G and H to increase or decrease subtitle delay. You can also raise or reduce the subtitle's font size by pressing CTRL and then scrolling up or down.
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4. Movavi

Movavi is a macOS and Windows-compatible video editing software that lets you add SRT subtitles to MP4 videos. If you do not have the subtitles you intend to add, this software enables you to search online for SRT files that match your video's metadata. This tool can also embed SRT subtitles in video formats, such as MPEG, WMV, and MOV.

Steps

Step
1. Launch Movavi, then select and add the video to which you want to add subtitles.
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2. Click No subtitles, then hit Add to choose the SRT file you want to insert. Alternatively, after clicking Add, choose Search online to look for subtitles on the web.
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3. Go to Video and select MP4 as the preferred format, then click Convert from the bottom left corner of the Movavi window to export and save the video with captions.
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How to add SRT subtitles to MP4 online

The most convenient method to attach SRT to MP4 is via an online tool, which requires no software installation and is free of charge. Here are the best expert-recommended tools:

5. CapCut online video editor

The CapCut online video editor is a feature-packed video editing suite with the capacity to add SRT files to MP4. It lets you upload an SRT file of your subtitles or manually enter the subtitles directly into your MP4 video. Then, it presents you with organized captions and timestamps for easy editing. You can split or merge two captions or add a new line or line break and play each caption separately, thanks to its keyboard shortcuts! And if you want to replace a specific word in the subtitles, use the find-and-replace option.

Moreover, you can easily translate SRT files into different languages, such as Arabic, Chinese, English, Kikuyu, Spanish, French, etc. After editing the captions, you can export them as an SRT or TXT file for later use. Or, you can embed SRT in MP4 by uploading a video to the CapCut editing window, using CapCut's stock videos, or a static photo background.

Simple steps to insert SRT into MP4 on the CapCut online video editor

Click the link below to launch the CapCut online video editor and attach SRT to MP4 using the provided procedure.

Step
1. Upload your MP4
2. The CapCut online video editor provides several ways to upload videos. You can upload media from your device by dragging and dropping or browsing your local folders or from a Google Drive or Dropbox account. When collaborating with others on a project, share an upload link or QR code to invite them to upload their MP4s. You can also extract a video's audio or upload media from a smartphone by scanning a QR code.
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4. If you have a referencing video to guide your editing, use the Edit with reference button to upload from your computer or paste a TikTok, YouTube, or Vimeo link. If you are repurposing a video already uploaded to CapCut, find it in your free CapCut cloud space.
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6. Add SRT to MP4 and edit
7. Click the Captions tab on the video editing window's left side panel and select Upload caption file (it supports SRT, ASS, and IRC). Browse your device's local disk and folders for the SRT subtitle file you want to use and upload it.
8. Alternatively, if you want to type the subtitles yourself, click the manual captions options. You can also add a video with audio and use the auto-captions tool to auto-generate subtitles for speeches or people talking. For songs where you want to generate lyrics for your subtitles, use the auto-lyrics option that can naturally detect music in video.
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10. You will see your SRT captions with text, timestamps, and line breaks on your screen. Hover your mouse pointer over a specific caption to play or delete it. Also, you can hover the pointer over the Shortcuts option to check the assigned keyboard hotkeys for specific functions such as split captions. You can also add a new line, a line break, or merge different captions.
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12. You can search for or change specific words in your subtitles via the Find and Replace button to delete unwanted words and replace them with valuable information. If you want to understand subtitles in a foreign language, use the translation feature that supports languages like Italian, Japanese, Malay, Lingala, Polish, etc. Once you are done editing and want to add SRT subtitles to MP4 later, you can download them as SRT or TXT files.
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14. To further enhance SRT subtitles, use the right-side panel to access different editing options. There are various text preset styles to pick from, text animations, and a text-to-speech feature with voice-changing effects. Some basic text settings include font type, style, and size, and you can also adjust the opacity, scale, position, etc.
15. If you don't have a video, choose an AI character to narrate your subtitles. There are various AI characters with male and female voices, and you can add them to your video as full-body, half-body, close-up, etc.
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17. To sync your SRT subtitles with your video, use the timeline to drag either the video or the subtitles until they are completely in sync. You can then edit the video using basic features such as split, crop, flip, freeze, and reverse or use advanced tools like split-scene, transcript-based editing, speed curves, etc.
18. To simplify your video editing, try AI-powered tools like one-click auto background removal, auto reframe, etc. Moreover, you can add your favorite photo as a static video background for your subtitles. On the left-side panel, you can access hundreds of free media resources, including video templates, effects, filters, transitions, etc.
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20. Export

After you add SRT subtitles to MP4, you can share it for review by your friends, colleagues, etc., to add their comments. Also, you can share it as a presentation for your school project, job interview, etc., so people can watch the video you just created with subtitles. The latter method allows sharing the video directly on Tumblr, WhatsApp, Facebook, etc.

If you just made a subtitled video for your TikTok, YouTube, Facebook, or Instagram Reels, you can share it online in one click. The CapCut online video editor has specific buttons for each social media network to post videos quickly without exiting the platform.



Besides, if you want to wait to post the video, click the schedule option under social media. It will redirect you to adjust the video resolution up to 4k, video quality, frame rate (24-60fps), and make the format MP4. After, select the platform to which you want to post the video, such as TikTok, YouTube, Facebook, or Instagram. Finish by setting the date and time of posting the MP4 video, video title, who can view it, etc., and click the schedule button.



Lastly, you can download the MP4 video with SRT subtitles to your device disk for later use. This allows you to adjust the resolution (ranging from 360p to 4k), quality (fast exporting for compressed video, high quality, etc.), frame rate up to 60fps, and video format as MP4.



6. VEED.io

VEED is a prominent online video editing platform that allows you to upload or record MP4 videos and add SRT files to them easily. You can customize the words, font, and font size of the SRT text, add effects and animations, and choose where the subtitles will appear on the screen.

Steps

Step
1. Launch VEED.IO, then click Media to upload or record your MP4.
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2. Click Subtitles, then select Upload Subtitle File > Import Subtitle File. Pick the SRT file to upload from your device.
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3. Edit the text and adjust the timing to suit your video, then click Done to export the clip.
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7. Happy Scribe

Happy Scribe is a video transcript and subtitle editing service with the ability to add SRT to MP4. It lets you align the audio and text and request a human review for a professional to proofread and edit your project. It has high accuracy and supports over 45 formats and 120+ languages.

Steps

Step
1. Visit the Happy Scribe website on your browser, sign up, click Create, Import subtitles, then select and add the SRT file to your Workspace.
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2. Click on the subtitles you added to open the SRT editing window, then drag and drop or upload an MP4 video into the preview window.
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3. Add or merge paragraphs, select max/min characters per line, adjust the maximum of lines, and perform other edits, then click Export when you are done.
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8. FlexClip

FlexClip is a free video maker and editor you can use to add SRT to MP4 online. You can italicize the subtitle text, alter the opacity of its background, and change the font. It has 30+ text animations for you to customize the SRT text.

Steps

Step
1. Open the FlexClip webpage and click Create a Video, then select a video for adding subtitles from your device.
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2. Click Subtitles, Upload Subtitle File, then choose the SRT file to add to your video.
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3. Adjust the timing and style of the subtitles and align the text to your video, among other edits, then click the right arrow icon to export.
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The above section includes ways to add SRT to MP4 online without software installation. But if you want improved performance and stronger security control, below are some reliable offline tools.

Conclusion

Whether you are hard coding subtitles to a movie or simply adding them to a media player, you now know several ways to do it. Some of these above-mentioned apps even allow you to tweak the appearance of the captions. Amongst them, the CapCut online video editor is the best option. This is because, as we have seen, it provides all the tools you need to embed SRT in MP4 without requiring installation. On the other hand, the CapCut desktop video editor is the ideal choice if you want to add subtitles offline. Try it today and enhance your viewing experience!

FAQs

1. What is the best way to attach SRT to MP4?
2. CapCut online video editor is the best way to add SRT to MP4. This web-based tool allows you to add subtitles, edit the text, tweak the font, translate them to a different language, merge different captions, etc. It is free to use and accessible on any web browser.
3. If you prefer to add SRT subtitles to MP4 with more editing features for text and video, try the CapCut desktop video editor. It has additional text effects and styles, such as text bubbles, and font settings for character and line spacing.
4. How can I insert SRT into MP4 online for free?
5. A simple way to add SRT to MP4 is via the CapCut online video editor. You only need to open the website and upload the MP4 video and SRT file you want to embed. Alternatively, use the manual captions option to enter the subtitles by typing or use the auto-caption and auto-lyrics to auto-generate captions. Once you embed the SRT into MP4 video, the tool offers rich video editing features and free media resources to ensure professional results.
6. What can I do to embed SRT in MP4 and sync the subtitles with my video?
7. To add and sync SRT subtitles to an MP4 video, you need a powerful video editing tool that can insert SRT into MP4 and then fine-tune the subtitles by a provided time offset. Some software allows you to type in the offset, while others require you to drag the subtitle clips on the timeline to shift them. With the CapCut online video editor or CapCut desktop video editor, you can easily shift and sync the subtitles to match the audio flow.