4 Best Ways to Convert MP3 to SRT Using AI in 2024 (Online, Desktop)

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4 Best Ways to Convert MP3 to SRT Using AI in 2024 (Online, Desktop)

Last Updated: 2024. 02. 02

Converting MP3 to SRT offers you an easy way to add subtitles to audio content like podcasts, interviews, or lectures. What’s more, with the MP3 transcript, you can also use it for blog posts, newsletters, and translations to reach a wider audience.

So, if you are looking for a free and versatile way to convert MP3 to SRT files, we’ve got you covered!

In this tutorial, we will walk you through the 4 best AI-powered MP3 to SRT converters that will help you seamlessly convert MP3 to SRT for free both online and on the desktop, effortlessly adding subtitles to your audio content and enhancing its shareability.

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Music Podcast Intro

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Business Online Event Promo

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Here’s what you’ll learn:

Convert MP3 to SRT by FlexClip AI Video Maker (Online)

Convert MP3 to SRT by Sonix.AI (Online)

Convert MP3 to SRT by Otter.AI (Online, IOS, Android)

Convert MP3 to SRT by Whisper Transcribe (Win, Mac)

Also, read the 4 best ways to convert SRT to speech.

1. Convert MP3 to SRT by FlexClip AI Video Maker

If you need a flexible MP3 to SRT converter to convert MP3 to SRT online with precise accuracy plus tons of features for both audio and video editing, the user-friendly and feature-packed FlexClip AI video maker has every reason to be one of your top picks.

Seamlessly convert MP3 to SRT by FlexClip online.

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Best Features to Convert MP3 to SRT with FlexClip:

Utilize the AI auto subtitle generator to auto-transcribe MP3 to text in one click. The auto transcription supports 140+ languages with diverse accents and promises over 95% accuracy and exact timecodes. You can easily edit the style, content, timecodes, and sequence of the SRT file and download the MP3 transcript in SRT, TXT, SUB, CSV, VTT, SBV, ASS, or SSA formats for your needs. Of course, it also works for video transcription.

Convert MP3 to SRT by FlexClip AI auto subtitle generator in one click.

Convert MP3 to SRT Now

For content creators, another killer feature you will love is that you can upload an SRT file to FlexClip and use its Subtitle to Speech feature to convert SRT to realistic AI voices to translate your video into another language. There are 400 lifelike AI voice avatars available and you can customize the AI voice’s gender, age, voice style (14), speed, pitch, and natural pauses.

Convert SRT to AI voices by FlexClip subtitle to speech generator.

Convert SRT to AI Voices

Choose from 5,000+ expertly crafted and fully customizable video templates for your video projects. It covers podcast intros & outros, business promos & sales, webinars, educational videos, YouTube/TikTok/IG Reels, sports & fitness, birthday/wedding/memorial slideshows, travel, movie trailers, newscasts, lyric videos, motivational videos, etc. With easy drags and drops of your video assets, you can create a compelling video in minutes.

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Comedy Podcast Intro & Outro

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Red Online Business Conference Promo

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Wedding Proposal Lyrics Videos

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Sizzling Motivational Reels

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In addition, as a full-featured AI video maker, FlexClip also empowers you with other handy AI tools to automate your video edits and boost productivity. From the AI video script generator, fueled by ChatGPT, to hyper-realistic text-to-speech generator, text-to-image generator, text-to-video generator, image background remover and audio extractor, you can unlock your creativity and produce viral video content like never before.

Use the AI video script generator to write scripts for your video projects.

Use AI Video Script Generator

You may even directly record audio or video and convert it to an SRT file.

Directly record audio or video to convert it to an SRT file.

How to Convert MP3 to SRT by FlexClip Online:

Step 1

Access FlexClip > click the drop-down menu of Upload Files > upload your MP3 file from your computer, phone, Google Drive, One Drive, Dropbox, or Google Photos to FlexClip > set an estimated video duration that aligns with audio length.

Upload your MP3 files to FlexClip and set the video duration.

Step 2

Click the Plus sign to add the MP3 file to the timeline. You can trim or split the audio track when needed.

Add the MP3 to the timeline.

Step 3

Convert MP3 to SRT file.

Click Subtitle tab > Auto AI Subtitle > identify the language of MP3 audio files > hit Next > select the style of subtitle, which can be changed later > hit the Generate button. Then FlexClip shall auto-transcribe MP3 to text for you with over 95% accuracy.

Auto-transcribe MP3 to text with the click of a button.

Transcribe MP3 to Text Now

Now, you can playback the MP3 > proofread the MP3 transcript > correct any typos > if you find one subtitle too short, you can click the Merge tool to combine two subtitles or press Enter to split a long subtitle > click the Download button > select SRT to download the MP3 transcript in SRT file to your computer.

Proofread the auto-generated MP3 transcript and download it in an SRT file for free.

Alternatively, you can import images and videos to the Media library or use 4M+ royalty-free video and image assets > click the “Add as Layer” to add engaging visuals to create video content from your MP3 audio.

Layer videos and images to create visuals for the video content.

Besides, 1,000+ readymade and editable text animations, such as Like, Share, and Subscribe buttons, video titles, and 74,000+ royalty-free music tracks and sound effects are also available in the Text and Audio tab to help you create captivating video content.

Add text animations and royalty-free music and sound effects to the video.

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Downside:

Can’t translate MP3 transcript to another language within the video editor.

For free users, you only get 5-minute free auto subtitle AI credits/mo.

Pricing:

Free to start.

Plus: $9.99/mo (billed annually), $19.99/mo (billed monthly).

Business: $ 19.99/mo (billed annually), $29.99/mo (billed monthly).

2. Convert MP3 to SRT by Sonix.AI

Well, if not only do you need to convert MP3 to SRT but also want to seamlessly translate the MP3 transcript to another language to repurpose the audio content to reach a wider audience, Sonix. AI, another versatile online MP3 to SRT converter, is built to meet your needs.

Convert MP3 to SRT by Sonix online.

Best Features to Convert MP3 to SRT with Sonix. AI:

The cutting-edge audio and video online transcription service delivers accurate and fast transcription. It supports 39+ languages and dozens of dialects and accents.

Free users can get a generous 30 minutes of free transcription to convert MP3 to SRT files.

AI can automatically identify different speakers in the MP3 audio files and you can customize the speakers and generate summaries, and chapters from your audio files.

Use the built-in translator to translate the MP3 transcript into another 38 languages and save it as an SRT, VTT, or DOCX download.

How to Convert MP3 to SRT by Sonix.AI Online:

Convert MP3 to SRT by Sonix. AI online.

Step 1

Sign up free for Sonix.AI > in the workspace, click the Upload button > select your MP3 file from your computer or Dropbox, or Google Drive.

Step 2

Identify the language spoken in the MP3 file > enable Auto-detect and lable speaker feature > hit Transcribe in English. Then Sonix. AI will auto-transcribe MP3 to text for you.

Step 3

Edit and convert MP3 to SRT file.

Click the transcribed MP3 audio file > click the Subtitle tab > hit Split transcript to split transcript into subtitles > edit the speakers and MP3 transcript > click the Export button > select SRT file for download.

Alternatively, you can click the Translations tab > Translate transcript to a different language > select from 38 target languages> hit the Translate Now to translate the transcript > click the Export button > save the translated MP3 transcript in SRT format to your computer.

Downside:

It only supports 39 languages for auto transcription.

No video and audio editing features and video assets are available.

Pricing:

Free to start.

Standard: $10/hour.

Premium: $16.5/mo (billed annually), $22/mo (billed monthly).

Enterprise: Contact the Sonix enterprise team.

3. How to Convert MP3 to SRT by Otter.AI Online

Whether you are a student who wants to convert MP3 to SRT for school lectures or a business professional who needs to convert MP3 to SRT for webinars in Zoom or even transcribe a real-time meeting, Otter.AI with its powerful transcription service makes it another perfect MP3 to SRT converter to convert MP3 to SRT file online and on your smartphone (IOS, Android).

Convert MP3 to SRT by Otter online.

Best Features to Convert MP3 to SRT with Otter:

Auto-transcribe MP3 to text with up to 90% accuracy and save the MP3 transcript in SRT, TXT, Docx, or PDF format. For free users, you get an incredible 300-minute free transcription/mo, the longest in the industry.

AI can auto-generate summary, keywords, number of speakers, and outline of your MP3 audio recordings.

The latest AI-powered Chatbot assistant allows you to @Otter to ask questions from AI to get key information in your audio recordings, such as “What are the action items from this meeting”, and “Was I mentioned?”, which can be a great time saver for finding valuable information.

Share your MP3 transcript through a clickable link.

Transcribe live Zoom and Google Meet meetings.

Available online, and for iPhone and Android users.

How to Convert MP3 to SRT by Otter.AI Online

Step 1

Sign up free for Otter.AI > click the Import button on the top right corner > drag and drop your MP3 files to Otter > Otter will auto-transcribe MP3 to text for you in minutes.

Step 2

Polish and convert MP3 to SRT.

Click the MP3 transcript > AI has already generated the title, summary, keywords and outline from the MP3 audio recordings > edit the speakers and playback audio to proofread the transcript and make the necessary adjustments > click the three dots to the top right corner > Export > SRT > set max number of lines and max character per line and enable auto line breaks > click the Export button to save the SRT to your computer.

Downside:

Can only import MP3 files from your computer.

Only support English transcription.

Can’t translate MP3 transcript to another language.

SRT export is only available for pro subscribers.

Pricing:

Free to start.

Pro: $10/mo (billed annually), $16.99/mo (billed monthly).

Business: $20/mo ((billed annually), $30/mo (billed monthly).

4. How to Convert MP3 to SRT by Whisper Transcribe:

Finally, if you prefer a desktop MP3 to SRT converter to convert MP3 to SRT on a PC or Mac, another ultimate choice for you is Whisper Transcribe. The software incorporates OpenAI’s advanced Whisper API for audio and video transcription and uses ChatGPT-4 to generate content from your provided audio and video content. Awesome!

Convert MP3 to SRT by Whisper Transcribe on desktop.

Best Features to Convert MP3 to SRT with Whisper Transcribe:

Effortlessly transcribe MP3 to text with up to 95% accuracy. It supports 59 languages. You get a hearty 80-minute free transcription to get a bite of this amazing software. Later save the MP3 transcript in SRT or VTT format.

Apart from uploading your MP3 file from your local computer, you can search for podcasts from Whisper Transcribe’s podcast library, or a YouTube link or record audio yourself for transcription.

The powerful AI, powered by ChatGPT-4, can help you instantly generate a summary, a title, show notes, newsletters, blog posts, LinkedIn, Instagram, and X (Twitter) from your MP3 transcript, truly amazing!

You can create your prompts to tell ChatGPT to generate other content from your transcript as well.

How to Convert MP3 to SRT by Whisper Transcribe

Step 1

Download Whisper Transcript from its official website > open the Whisper Transcribe on your PC/Mac > sign up for free using your Google account > set what content you want Whisper Transcribe to regenerate from your transcription, such as Instagram posts, blog posts, X (Twitter) or a summary, etc.

Step 2

Click the Upload File button to import your MP3 file (or import from Podcast Library, a YouTube URL, or record audio.) > click the Transcribe Now button to the MP3 transcript.

Step 3

Convert MP3 to SRT.

Click the Transcript tab > playback the audio to check the MP3 transcript > edit the transcript > once you are satisfied with the transcript, click the Download as Subtitles > select SRT format to save the SRT file to your computer.

Alternatively, by clicking the Content Hub where you can see new content generated by ChatGPT-4 for you such as a summary, audio title, newsletters, blog posts, Instagram and X posts, etc. So, you can fine-tune these AI-generated contents and use them accordingly.

Downside:

Only support 59 languages for transcription.

No video and audio editing tools and video assets are available.

The pricing might be a bit too high for average users.

Pricing:

Free to start.

Business Light: $41.5/mo (billed annually), $49.99/mo (billed monthly).

Business Grow: $99.99/mo (billed annually), $119.99/mo (billed monthly).

Business Scale: $208/mo (billed annually), $249.99/mo (billed monthly).

Now, It's Your Move

Well, not all MP3 to SRT converters are created equal. Please feel free to try out these tools to convert MP3 to SRT and let us know your favorite by sharing this post on your Facebook or X (Twitter). Cheers to your content creation success!

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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.