Convert MP4 to SRT
Upload your MP4 video and get an SRT subtitle file with accurate timestamps.
Transcribe Files
MP3, WAV, MP4, M4A, FLAC, OGG, AAC, WebM, and MOV
2 free transcripts daily. No credit card required.
Unlimited Pricing
"...saves me a lot of time when going through meeting notes."
Convert MP4 to SRT with FastTranscriber
Convert MP4 video files to SRT subtitle files. Generate accurate subtitles from any video automatically. Here is a quick guide to completing the process with FastTranscriber:
Step 1: Start for Free
Open FastTranscriber and begin with the free daily allowance. No account or credit card is required.
Step 2: Upload Your MP4 Video
Open "Transcribe Files" and select the MP4 video. FastTranscriber extracts its audio automatically, so no separate conversion is needed.
Step 3: Generate the Captions
Click "Transcribe" to convert the spoken audio into caption text with accurate, speech-synced timestamps.
Review the text and timing, then download an SRT subtitle file for your video editor or publishing platform.
Get your MP4 subtitles ready to publish
MP4 to SRT creates timed text from a video's spoken soundtrack. The SRT is delivered separately from the video, so you can review it, upload it as a caption track, or import it into your editing software.
Transcribe the finished video
Choose the exact MP4 edit you intend to publish, including any opening sequence. The subtitle times refer to positions in that file. If you later cut a scene, add a pause, or rearrange clips, check and adjust the corresponding cues so the text continues to follow the speech.
Preview captions with the picture
After export, load the SRT beside the MP4 in your player or editor. Check the beginning, a passage in the middle, and the ending, then review the full video before publication. Watch for names or figures that need correction and caption breaks that interrupt a phrase awkwardly.
Also look at where text sits over the picture. A subtitle may obscure a person's name, a slide label, or another useful detail. Positioning and visual styling belong in the destination player or editor; the transcription export does not change the video image.
Choose how viewers will see the text
A separate caption track lets a compatible player display subtitles alongside the video. Permanently visible captions require you to render them into the picture using a video editor. If your destination requests WebVTT instead of SRT, use the subtitle converter on your reviewed file, then preview the converted result with the same MP4.
Frequently Asked Questions
How do I convert MP4 to SRT?
Upload your MP4. FastTranscriber extracts the audio, transcribes it with timestamps, and lets you export as SRT.
Can I edit the SRT before downloading?
Yes. Review the transcript and make edits before exporting.
Is it free?
Yes. 2 free conversions per day.
Other input and output formats
Choose an audio source, web captions, or a document export for a different task.
- MP3 to SRTCreate timed subtitle cues from the speech in an MP3 recording.
- Audio to SRTMake timed subtitles from WAV, M4A, FLAC, and other supported audio files.
- MP3 to VTTCreate WebVTT captions from MP3 speech for a compatible web player.
- Audio to WordDownload the transcript as an editable DOCX document for review and formatting.
Continue with your subtitles
Adapt a reviewed subtitle file or prepare a readable video transcript.
Related guides
Find practical steps for subtitled videos and recorded meetings.