Convert your .ogg files to .m4a format online for free. No software to install. Fast, secure, and easy.
Pro account required for audio & video
Drag and drop your .ogg file or click to browse.
Select M4A as your output format.
Click Convert and download your .m4a file.
Converting OGG to M4A changes the container or codec while optimizing for your playback requirements. This is useful when your target device or application requires a specific audio format.
OGG (Ogg Vorbis, introduced in 2000) uses Lossy (MDCT-based, psychoacoustic model) compression. M4A (MPEG-4 Audio, introduced in 2001) uses AAC (lossy) or ALAC (lossless) within MPEG-4 container compression. OGG browser support: All modern browsers (Chrome, Firefox, Edge; no Safari). M4A browser support: All modern browsers (via AAC codec support).
Converting from OGG (lossy) to M4A (lossless) will not recover quality that was lost during the original OGG compression. The conversion preserves the current state of the file without further degradation. The resulting M4A file will be larger than the OGG original.
Typical OGG file size: A 4-minute song at quality 5 (~160 kbps): ~4.5 MB. Typical M4A file size: A 4-minute song at 256 kbps AAC: ~7.3 MB; ALAC: ~25-35 MB.
For the best conversion results, always start from the highest quality source file available. Converting from a previously compressed file compounds any existing compression artifacts. When in doubt, use higher quality settings — you can always re-convert at lower quality later, but you cannot recover quality that has been lost.
Convert OGG to M4A with 3 free conversions per day. No hidden fees.
Create a free account in 10 seconds and start converting immediately. No credit card required.
Files are encrypted during transfer, processed on secure servers, and deleted immediately after conversion.
Convert files from any device — desktop, tablet, or phone. No software to install, works in any modern browser.
SquishConvert supports over 358 file conversion combinations across images, documents, audio, and video.
Your converted .m4a file maintains the best possible quality. No unnecessary compression or quality loss.
Audio conversion requires a Pro account. See pricing — starting at $4.99/month
You get 3 free conversions per day. Audio conversions require a Pro account.
Most files convert in under 10 seconds. Larger files may take a bit longer depending on size.
Yes. Files are encrypted during transfer, processed on secure servers, and deleted immediately after conversion. We never store your files.
Currently, SquishConvert converts one file at a time. Batch conversion is coming soon — stay tuned!
Free users can convert files up to 10 MB. Pro users can convert files up to 500 MB.