Merge audio online free - Combine MP3, WAV
Merge multiple MP3, WAV audio files into one. 100% free, no signup.
Drag and drop your audio files
or click to select (MP3, WAV, FLAC, OGG, AAC, M4A)
Supported audio formats
How to use this tool
Step 1
Upload multiple audio files
Step 2
Rearrange the order if needed
Step 3
Download the merged file
Guaranteed privacy
Merging done locally. Your audio files stay on your device.
Create podcasts and compilations
Easily assemble your recordings to create professional podcast episodes or personalized music compilations. Reorder your tracks by simple drag-and-drop before merging for a perfectly structured edit ready to publish.
Merge Audio Without Quality Loss
Our Convertly Audio tool combines your audio tracks without recompression or degradation. The bitrate, sample rate, and sound quality of each original file are 100% preserved in the final merged file for a professional result.
Merge Audio Online for Free
No registration, no software to install. Our Convertly Audio merging tool is 100% free and accessible from any browser on desktop, tablet, or mobile. Merge as many files as you want.
Combine MP3, WAV, FLAC, OGG & More
Our Convertly Audio merger accepts all common audio formats: MP3, WAV, FLAC, OGG, AAC, and M4A. Mix multiple formats in a single merge without prior conversion; the tool automatically harmonizes the tracks.
Merge Audio Fast and Securely
Processing occurs directly in your browser using FFmpeg WebAssembly. Your Convertly Audio files never leave your device, ensuring total privacy and maximum merging speed without relying on servers.
Discover all our audio tools
Cut, merge, convert, normalize and enhance your audio files in a few clicks.
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Frequently asked questions
How many files can I merge at once?
Our merge-audio tool allows you to join and concatenate up to 10 audio files simultaneously, creating a continuous sound experience. For larger projects, you can perform multiple successive merges to blend your tracks seamlessly. While direct crossfade options are not available in a single step for all files, you can still stitch your audio together efficiently.
Do the formats need to be identical?
Yes, merge audio files regardless of format. Our tool handles the transition seamlessly, converting all inputs to your chosen output format automatically for a smooth result.
Are my audio files kept private during merging?
Yes, all files are processed locally in your browser via WebAssembly. No upload to a server, your audio never leaves your device and remains 100% confidential.
What is the quality of the merged audio file?
The original quality is fully preserved. Our tool uses lossless processing that maintains the bitrate, sample rate, and sound resolution of your source files.