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AC3 to M4R Converter
Convert AC3 files to M4R in seconds, free and unlimited.
🔒 Files are processed on your device. Nothing is uploaded.
How to convert AC3 to M4R
- Click Choose files or drop your AC3 files into the box. You can add several at once.
- Make sure M4R is selected as the output format.
- Press Convert, then download your M4R files.
AC3
Dolby Digital surround sound audio used on DVDs and Blu-rays.
M4R
iPhone ringtone format (AAC audio in an MPEG-4 container).
Video and audio are converted with FFmpeg running inside your browser. Short clips finish in seconds; long or high-resolution videos can take a few minutes because your own device does the work. Open Options to trim, resize or change quality.
Other AC3 conversions
Convert other files to M4R
- MP4 to M4R
- WEBM to M4R
- MKV to M4R
- MOV to M4R
- AVI to M4R
- FLV to M4R
- WMV to M4R
- MPEG to M4R
- MPG to M4R
- M4V to M4R
- 3GP to M4R
- 3GPP to M4R
- 3G2 to M4R
- OGV to M4R
- TS to M4R
- MTS to M4R
- M2TS to M4R
- VOB to M4R
- MXF to M4R
- DV to M4R
- MOD to M4R
- RM to M4R
- RMVB to M4R
- MP3 to M4R
- WAV to M4R
- OGG to M4R
- OGA to M4R
- OPUS to M4R
- FLAC to M4R
- AAC to M4R
- M4A to M4R
- M4B to M4R
- WMA to M4R
- AIFF to M4R
- AIF to M4R
- AIFC to M4R
- AMR to M4R
- AU to M4R
- CAF to M4R
- VOC to M4R
- WEBA to M4R
FAQ
Is converting AC3 to M4R free?
Yes. Unlimited conversions, no sign-up, no watermark.
Are my files uploaded to a server?
No. FieldConvert processes files inside your browser, so your AC3 files never leave your device. That makes it private and fast, because there is no upload or download wait.
Is there a file size limit?
Only your device's memory. Files up to about 2 GB work in most desktop browsers.