MP4 to SRT
AIGenerate SRT subtitle file from MP4
Drop video here or click to browse
Generate SRT subtitle file from MP4
About MP4 to SRT
SRT is the most widely accepted subtitle format around, supported by YouTube, most video players, and editing software. If you need captions you can upload or import, an SRT file is usually what's asked for, with its neat numbered blocks of text and timestamps.
This tool generates an SRT subtitle file from the speech in your MP4. It transcribes the audio and writes each line with its start and end times in standard SRT format. Everything runs in your browser for free, no signup, no watermark. Upload the video, let it process, and download an .srt file ready to attach to your video or upload to a platform that expects subtitles.
Common uses
- Create an SRT file to upload alongside a YouTube video
- Add importable captions to a video editing project
- Generate timed subtitles for an MP4 in standard SRT format
- Produce a caption file for accessibility compliance
How to use
- 1
Upload your file
Click the upload area or drag & drop your file. Supports MP4. Up to 50 MB.
- 2
Click "Process — MP4 to SRT"
Click the process button. Your file is converted instantly on our secure servers.
- 3
Download your result
Preview and download your converted file. No watermarks, no quality loss, no expiry.
Why ToolHub?
- 100% Free — no account needed
- Works in your browser — no software required
- Instant results
- Secure and private
- No data stored
- Simple to use
FAQ
What is an SRT file?
SRT is a plain-text subtitle format with numbered entries, each holding a time range and the caption text. It's supported by most players and platforms.
Does the SRT include accurate timestamps?
Yes. The tool times each subtitle block to when the speech occurs, following the standard SRT structure.
Can I open and edit the SRT?
Absolutely. SRT is plain text, so you can open it in any text editor or subtitle tool to tweak wording or timing.
Can I use MP4 to SRT on mobile?
Yes — ToolHub is fully responsive and works on iPhone, Android, tablets and all modern browsers. No app install needed.