Audio to SRT Tool
Upload audio files and convert to SRT format. SRT format is SubRip subtitle file format, suitable for use in video players.
Drag and drop audio file here, or click to select file
Supports MP3, WAV, M4A, FLAC, AAC and other formats, up to 1 hour
Instructions
1. Upload Audio File
Supports common audio formats such as MP3, WAV, M4A, FLAC, AAC, OGG, WMA. Audio files up to 1 hour are supported.
2. Check Audio Information
After uploading, the file name, file size, and audio duration will be automatically displayed. If the audio exceeds 1 hour, the system will prompt you to select a shorter audio file.
3. Start Conversion
Click the "Start Conversion" button, and the system will automatically recognize the audio content and generate SRT subtitle files. Processing time depends on audio length.
4. Download Subtitle File
After conversion is complete, you can preview the subtitle content, then click the "Download SRT Subtitle File" or "Download VTT Subtitle File" button to save to local. You can also copy the full text content.
Frequently Asked Questions (FAQ)
Q1: Will the audio be uploaded to the server?
A1: The audio file will be converted to base64 format and sent to the server for speech recognition processing. After processing is complete, the server will return the recognition results. We recommend not uploading audio files containing sensitive information.
Q2: Is this tool free?
A2: Completely free to use. You can use it with confidence, all features are free.
Q3: What audio formats are supported?
A3: Supports common audio formats such as MP3, WAV, M4A, FLAC, AAC, OGG, WMA.
Q4: Why is the maximum audio file length only 1 hour?
A4: To ensure processing speed and stability, we have set a 1-hour limit. If your audio file exceeds 1 hour, it is recommended to use audio editing software to split it into multiple shorter segments, then process them separately.
Q5: How long does conversion take?
A5: Conversion time depends on audio length and network speed. Usually, 1 minute of audio requires 10-30 seconds of processing time. Please keep the page open during processing and do not close the browser.
Q6: What's the difference between SRT and VTT formats?
A6: SRT is the traditional subtitle format with the best compatibility, suitable for most video players. VTT is a Web standard format, mainly used for HTML5 video playback, supporting more styling and positioning features. You can choose to download one or both formats as needed.
Q7: How accurate is the recognition?
A7: We use advanced speech recognition technology with high recognition accuracy. However, accuracy can be affected by audio quality, background noise, speaker speed, and accent. It is recommended to use clear, noise-free audio files for the best recognition results.