M2TS to AAC Converter
Convert M2TS to AAC online for free. Fast, secure, and high-quality conversion with no sign-up or software required.
Maximum file size is 1GB
How it works
Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
Upload your file
Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
Choose an output format
Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.
Convert & download
Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.
What is an M2TS file?
The M2TS (MPEG-2 Transport Stream) file format is a high-definition digital video container format used for multiplexing audio, video, and other streams, primarily associated with the Blu-ray Disc Audio-Video (BDAV) container format. It is based on the MPEG-2 transport stream container and is used for structuring content on Blu-ray Discs and AVCHD camcorders (Sony/Panasonic). M2TS files typically contain video compressed using H.264/MPEG-4 AVC, VC-1, or MPEG-2 codecs, allowing for variable bitrates and high-resolution playback.
How to open an M2TS file
Windows usually supports M2TS playback natively through the Movies & TV app if the necessary codec extensions are installed. However, for reliable playback across macOS and Windows without codec errors, VLC Media Player is the standard solution as it natively handles the MPEG-2 TS encapsulation. High-end video editors like DaVinci Resolve and Adobe Premiere Pro also support M2TS import for editing camcorder footage.
M2TS Technical Info
- Full Name
- MPEG-2 Transport Stream
- Developed By
- Blu-ray Disc Association
- Initial Release
- 2006
- MIME Type
- video/mp2t
What is an AAC file?
Advanced Audio Coding (AAC) is a lossy digital audio compression standard defined by ISO/IEC 13818-7 (MPEG-2) and ISO/IEC 14496-3 (MPEG-4). Developed by a consortium including Bell Labs, Fraunhofer IIS, and Dolby Laboratories as the successor to MP3, AAC utilizes the Modified Discrete Cosine Transform (MDCT) algorithm and perceptual noise shaping to discard imperceptible signal components. It supports up to 48 audio channels, arbitrary sample rates, and utilizes extensions such as Spectral Band Replication (SBR) to achieve higher fidelity at lower bitrates than predecessor formats.
How to open an AAC file
AAC serves as the default audio container for Apple's iTunes and iOS devices, ensuring native support within the macOS Core Audio framework and Apple Music. Windows 10 and 11 provide native decoding support via the Groove Music and Windows Media Player applications. For cross-platform playback or advanced stream analysis, users should utilize VLC Media Player or FFmpeg, which contain the necessary libavcodec libraries to decode AAC streams without external codec packs.
AAC Technical Info
- Full Name
- Advanced Audio Coding
- Developed By
- Bell Labs, Fraunhofer IIS, Dolby, Sony, Nokia
- Initial Release
- 1997
- MIME Type
- audio/aac
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Convert M2TS to AAC in seconds
Every M2TS to AAC conversion runs on our servers, so your device stays fast and the output quality stays intact.
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No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.
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Developer API
Convert M2TS to AAC via API
Automate M2TS to AAC conversions in three steps: create a job, upload your file, then poll for the result.
# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"tag": "m2ts-to-aac",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "aac"
},
"export-result": {
"operation": "export/url",
"input": "convert"
}
}
}'
# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.m2ts
# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
-H "Authorization: Bearer YOUR_API_KEY"Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.