MP4 to Text, Fast
Convert MP4 video into searchable TXT, timed SRT, or VTT captions while keeping video frames on your device and previewing edits in the browser.
how to convert mp4 to text online
Upload an MP4, let the browser extract and compress audio, then transcribe with OpenAI Whisper. Review and export TXT, SRT, or VTT.
Upload and pick language
Choose your MP4 file or drag it into the browser, then let SubTran detect the spoken language or pick one from the menu.
Browser audio extraction and chunking
The browser extracts the audio track with HTML5 video and WebCodecs API, compresses it locally, splits long recordings into ten minute chunks, and uploads only audio for ASR.
Review, edit, and export
Open the editable preview to correct text and timing, then download a TXT transcript or timed SRT or VTT subtitle file.
mp4 transcription features
Local media processing
The browser extracts and compresses the MP4 audio track locally before any transcription request is sent, so video frames remain on the device.
AI speech recognition
OpenAI Whisper provides automatic speech recognition with word level timestamps to produce accurate readable text and timing.
Timed subtitle export
Download transcription as plain TXT, SRT (SubRip Subtitle), or VTT (WebVTT) with usable cue timings for players like HTML5 video and YouTube.
Automatic file splitting
SubTran divides long MP4 audio into ten minute chunks for stable ASR performance and merges text and timestamps in order.
Language selection
Use automatic language detection or choose a supported language to improve transcription accuracy for multi language recordings.
Editable preview
Review and edit the TXT transcript or subtitle cues in the browser before exporting, keeping punctuation and timing readable for viewers.
convert mp4 to text benefits
Search spoken content
Turn MP4 recordings into a TXT transcript that you can search, quote, index, and reuse across articles, show notes, and research.
Create captions faster
Generate a timed subtitle draft so you do not need to type every sentence and timestamp by hand, saving editing time.
Upload less data
Video frames stay on your device because only compressed audio chunks are uploaded, supporting privacy preserving upload workflows.
Reuse one recording
Export the same MP4 as a TXT transcript, SRT captions, or VTT subtitles to repurpose content for articles, social posts, and accessibility.
No desktop installation
Run extraction, transcription, preview, and export from a modern web browser without FFmpeg installs or additional desktop software.
Keep useful timing
Word timestamps are regrouped around punctuation, pauses, and readable subtitle lengths so SRT and VTT cues match natural speech.
mp4 to srt use cases
Transcribe MP4 interviews
Convert interview MP4 files into a searchable TXT transcript for review, quotation, and research with word level timestamps.
Create subtitles from MP4
Generate an SRT or VTT subtitle draft from dialogue in an MP4 file, complete with timed cues ready for HTML5 players and streaming platforms.
Meeting and lecture notes
Turn recorded classes, webinars, and meetings in MP4 into readable notes and searchable transcripts for teams and students.
Content repurposing
Use the transcript as the basis for articles, summaries, descriptions, social posts, and show notes to extend content reach.
Accessibility captions
Create timed text to improve accessibility for viewers who rely on captions when watching MP4 recordings.
Archive indexing
Index spoken material inside MP4 archives so researchers and teams can find quotes and topics without replaying files.
can I get srt from an mp4 file FAQ
How do I convert MP4 to text?
Upload your MP4 file in the browser, pick the language or use automatic detection, and start transcription. After processing you can review and download a TXT transcript, or export SRT or VTT subtitle files.
Can I create subtitles from a MP4 file?
Yes. SubTran generates timed cues and allows you to download the transcription as SRT (SubRip Subtitle) or VTT (WebVTT) for use with HTML5 video and platforms like YouTube.
Is the full video uploaded when I transcribe an MP4?
No. The browser extracts and compresses the audio track locally, so video frames are not uploaded, supporting a privacy preserving upload approach.
What happens with a long MP4 file?
Long MP4 recordings are split into ten minute audio chunks in the browser. Each chunk is transcribed and then recombined so the final TXT or SRT maintains correct timestamps and order.
How does browser based mp4 transcription work?
SubTran uses HTML5 video and WebCodecs API to extract and compress audio locally, uploads compressed audio for ASR with OpenAI Whisper, and merges timestamps into readable subtitles.
What formats can I export after mp4 transcription?
You can export a plain TXT transcript, an SRT subtitle file, or a VTT file. These formats cover captioning needs for players and platforms while keeping a readable TXT record.
Is my video kept private when converting mp4 to text?
Yes. Video frames remain on the device because only compressed audio chunks are sent for transcription, reducing the amount of data uploaded from your MP4.
How accurate is AI transcription for mp4 videos?
Accuracy depends on audio quality, codec like H.264 in the MP4, background noise, and speaker clarity. Using language selection and clear audio improves results from ASR models such as OpenAI Whisper.
mp4 transcript generator
Start converting MP4 to text and timed subtitles in the browser, preview edits, and export TXT, SRT, or VTT.