Easily Add MP3 to Videos

Bring the perfect audio to your project with our add MP3 to video tool
Easily Add MP3 to Videos

Add MP3 to video online right from your browser

Birthday video maker

Step up your digital presence by adding the right MP3 to create engaging video content. Tell compelling digital stories by invigorating your videos with music and audio effects of your choice. Retrieve them from YouTube, TikTok, and other platforms or by browsing through our rich royalty-free music and sounds library. Save time, money, and effort with the help of Flixier. Add MP3 to videos, with only a steady internet connection and access to your preferred browser. Skip the third-party applications downloads and work creative magic, all in one tab.

How to add mp3 to video online:


Add media to Flixier

Upload your audio tracks and video to Flixier’s library through our intuitive interface. Alternatively, import files directly from cloud storage providers such as Google Drive, Dropbox or OneDrive. If you need something more, browse through our stock copyright-free music and sounds library.


Edit, tweak, and enhance

Drag the MP3 and video files on the timeline and experiment with edits. Use the Equalizer feature, sync, mix, and match sound effects, and play around with video edits like effects, transitions, or motion graphics. Tweak your content with the AI-powered audio enhancer and automatically generate subtitles you can later customize. 


Export and share

Once your masterpiece is ready and you’ve gone through the add MP3 to video and editing process, download the file to your device or straight to storage solutions like Google Drive, Dropbox, or OneDrive. Alternatively, use our smart social media integration to bring your video directly to your followers’ feeds.

Add MP3 to video online effortlessly

Our cloud servers’ processing power provides an intuitive interface designed specifically for ease of use. Without compromising on quality, you can add MP3 to video online through the user-friendly online video editor that sports professional-level features anyone can use, regardless of experience.

Cut, combine, or trim MP3 files

With Flixier's powerful timeline feature, you can effortlessly add MP3 to video to cut, trim, or merge multiple. Arrange the audio clips in the timeline and use the playhead for enhanced precision. Play audios sequentially or on separate tracks and adjust their volume to craft unique compositions.

Share on social media

An online video editor with the video add MP3 feature that optimizes content for social media? Flixier checks all the boxes, and with our social media video maker you can streamline the creative process. Craft and repurpose content specifically for TikTok, YouTube, Instagram, and other social media platforms with the same tool. 

Need more than to add MP3 to videos?

Spell it out with text

Add text to video effortlessly with Flixier to get your message across. Customize fonts, colors, and styles easily. 

Add AI-generated voice overs

Supercharge your videos with automatically-generated voice-overs. Take your pick from 70+ languages and dialects our AI voice over tool provides. 

Enhance accessibility with captions

Make your video content more accessible for all viewers with the caption videos functionality.

Why use Flixier to add MP3 to video online:

Enhance your sounds with AI

Add MP3 to video projects and make every note crisp and clear with our AI sound enhancer. Take advantage of our neural network-powered technology to improve the quality of your audio tracks effortlessly. Pick your preferred enhancements, sit back, and relax as Flixier does the job, all in a single browser tab.

Browse a rich royalty-free library

Flixier goes above and beyond the basic MP3 add to video functionality. Never worry about breaching copyright regulations again, as you pick from our free music for videos stock library. Choose between engaging sound effects and entertaining background music that is safe to use on any social media platform of your choice.

Enjoy file format compatibility

Our tool does not limit you to the MP3 add to video functionality. The online video editor allows you to edit and convert WAV, FLAV, OGG and many other audio formats without any additional steps or restrictions. Simply add MP3 to the video or experiment with different formats and enjoy our powerful online converter.

Add MP3 to video online for free

Flixier offers a free version that grants you access to many premium-level video editing features, such as adding MP3 to videos online. Signing up for a free trial Flixier account is easy and straightforward, saving you time and money on evaluating tools. Give the fastest online video editor a try by clicking the “Get Started” button.

What people say about Flixier

Anja Winter, Owner, LearnGermanWithAnja

I'm so relieved I found Flixier. I have a YouTube channel with over 700k subscribers and Flixier allows me to collaborate seamlessly with my team, they can work from any device at any time plus, renders are cloud powered and super super fast on any computer.

Anja Winter, Owner, LearnGermanWithAnja
Evgeni Kogan

My main criteria for an editor was that the interface is familiar and most importantly that the renders were in the cloud and super fast. Flixier more than delivered in both. I've now been using it daily to edit Facebook videos for my 1M follower page.

Evgeni Kogan
Steve Mastroianni - RockstarMind.com

I’ve been looking for a solution like Flixier for years. Now that my virtual team and I can edit projects together on the cloud with Flixier, it tripled my company’s video output! Super easy to use and unbelievably quick exports.

Steve Mastroianni - RockstarMind.com

Frequently Asked Questions

Can you put video on MP3?
Can you put video on MP3?

Can you add MP3 to video editor?
Can you add MP3 to video editor?

How do I add music to an MP3 video?
How do I add music to an MP3 video?

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