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MP3 to SRT

Create SRT subtitles from your MP3 recording. Review the transcript and timestamps, then download your subtitle file.

MP3 subtitles

STEP 1 OF 3

Drop your MP3 recording here

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MP3 audio files · Up to 2 GB · 5 hours per recording

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Output: SRT subtitles. Review your file and minutes before you start.

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MP3 to SRT for your finished audio track.

MP3 to SRT creates a separate subtitle file from the audio you already have. This workflow fits a finished podcast, a recorded interview or an audio track exported from a video. A reliable MP3 to SRT workflow begins with the correct audio version and ends with captions checked against the media you intend to publish.

Start with the right MP3 version.

The MP3 to SRT uploader accepts MP3 files and sets subtitles as the intended output. You do not need to convert the recording to WAV or M4A, and you do not need an existing transcript. Choose the MP3 from your device, listen to its preview and check that it contains the complete speech you want captioned.

MP3 to SRT accepts files up to 2 GB and five hours long, provided they fit your remaining transcription minutes. The free allowance is ten minutes once per verified account. A large file limit does not mean an entire long episode can be transcribed on that allowance.

If your original is M4A or WAV, keep that original and use Audio to SRT for other supported audio formats. An extra conversion solely to use MP3 to SRT adds work without creating a more accurate record of the speech.

Use MP3 to SRT for a finished podcast.

MP3 to SRT helps a producer prepare captions when the finished podcast audio also needs a video version. Use the final episode audio after introductions, sponsor messages and edits are settled. The resulting caption times will follow that file, including any silence or music before the first spoken sentence.

During MP3 to SRT review, check guest names, episode-specific terminology and website names. A fluent-looking caption can contain a plausible but incorrect proper noun. Listen to short exchanges between host and guest, because interruptions and overlapping voices often need more attention than a single speaker’s uninterrupted explanation.

An MP3 to SRT export for a full episode will not automatically align with a short social clip. Import it into your editor, keep the relevant cues and align them to the clip, or transcribe the finished clip’s MP3 separately when that better fits your workflow.

MP3 to SRT for an already extracted soundtrack.

You may already have an MP3 exported from an interview video, screen recording or presentation. That is suitable for MP3 to SRT when it contains the speech from the sequence you want to caption. ScribeText does not extract a video soundtrack on this page; choose the audio file you have exported from your editing software. If you still have the original MP4, use Video to Text to review the picture alongside its transcript.

Before MP3 to SRT, check whether your audio export preserves the video timeline. If you export only the spoken section and remove a ten-second visual introduction, the first caption time will be relative to that shortened audio. You will need to place the subtitle track ten seconds later in the original sequence.

Keep the same playback speed and edit wherever practical. Using an early cut for MP3 to SRT may omit a later voiceover or include passages removed from the final video. Clear filenames and a quick check of the beginning and end help prevent captioning the wrong version.

Check your MP3 to SRT draft, then its timing.

Start MP3 to SRT by choosing your file and reviewing your minutes. Use automatic language detection, or select English for an English recording, then start transcription. Once the recording is ready, open the subtitle view. Read the caption text while listening to the MP3, correct errors and save your edits. Use your source audio to resolve an uncertain phrase instead of replacing it with a sentence that merely sounds likely.

Next, check MP3 to SRT cue timing and line breaks. Listen for a new speaker before deciding where a caption should end; a line break alone does not create a new timed cue. A caption should appear with the relevant speech and stay long enough to read without running into unrelated dialogue. Pay particular attention to fast introductions, short answers, sudden pauses and transitions between speakers.

Download the checked MP3 to SRT result and import it alongside the matching media in your editor. Play the result from more than one position before publishing. This last pass checks the combination your audience will see, rather than only the audio and captions in isolation.

An SRT is a companion to your MP3.

MP3 to SRT creates a text file containing numbered cues, start and end times, and caption text. It does not include the MP3 audio. Keep both files: one carries the sound, and the other tells a compatible player or editor when to display the words.

1
00:00:12,500 --> 00:00:16,000
Today we are talking about
the first customer interview.

In this illustrative cue, the text appears twelve and a half seconds into the uploaded MP3. If the same audio starts later in your video, its caption also needs to start later. The file does not know where you place that audio in another project.

For a fuller explanation of numbering, timecodes and editor compatibility, read how an SRT subtitle file is structured. If you only want to quote or search the recording, a TXT transcript may be simpler than a caption file.

Fix timing against the final edit.

Every caption is early or late by the same amount

Compare the start of your MP3 with its placement in the video sequence. An added title screen can move the whole MP3 to SRT track by a fixed amount. Adjust the subtitle track in your editor and check a middle and an ending passage to confirm the offset stays consistent.

Captions line up until a cut

A removed sentence, inserted voiceover or rearranged section changes the relationship after that point. Align the affected groups of captions with the new edit. Shifting the entire file can fix one section while breaking another, so work from the actual edit points.

The difference gradually increases

Check whether the MP3 and the final media have the same duration and playback speed. A time-stretched audio track or a different export can create drift. Resolve that mismatch in your editing workflow; repeatedly adjusting individual cues without identifying the cause can make the track harder to maintain.

Whenever possible, run MP3 to SRT after the main audio edit is finished. Keep the reviewed SRT as a separate version before making large changes, so you can return to a known starting point if an alignment adjustment goes wrong.

What affects MP3 to SRT quality?

For MP3 to SRT, use the clearest source available. A heavily compressed voice, loud backing music or distant microphone can make individual words difficult to distinguish. Converting that MP3 into a larger WAV file does not restore information already lost. Start with an earlier, clearer source when you have one.

Listen carefully to accents, overlapping discussion, numbers and specialist terms. For a podcast, confirm names using your own production notes while checking that the audio supports the wording. Do not replace a speaker’s uncertainty with a confident claim simply to make the caption shorter.

The final MP3 to SRT captions also need a reading check. A line that fits in an editor can still be awkward on a small screen. Preview the published composition, including any existing graphics, before deciding that your captions are ready.

MP3 to SRT questions.

Does changing .mp3 to .srt create subtitles?

No. MP3 to SRT requires transcription, not a filename change. Audio needs to be transcribed and associated with timestamps to create readable SRT cues. Keep the original MP3 extension when selecting your file.

Will SRT display in every audio player?

Only a player or editor that supports external subtitles can use the file as intended. Check your destination’s support and import process. Downloading the SRT does not change the MP3 or force another application to display captions.

Does ScribeText burn captions into my video?

MP3 to SRT exports a separate subtitle file. Styling, positioning and rendering captions permanently into the picture happen in your video editor. Use the matching audio track when checking the final result.

What do I need to keep after export?

After MP3 to SRT, keep the source audio, reviewed subtitles and final edit together. A shared project name helps you identify which files belong to the same version. New uploaded audio is retained for 30 days. Saved transcripts remain until you delete the recording or account. You can sign up with Google or email; Pro is $8 monthly or $60 yearly for 800 minutes each month, without rollover.