Free online tool
Trim AAC Online Free
Cut AAC files to the exact length you need - visual waveform, precise controls, no quality loss. Runs entirely in your browser.
Drop a AAC file here
MP3 · WAV · FLAC · AAC · OGG · MP4 · MOV · MKV · and more
Audio sounds damaged or noisy?
Professional restoration by real engineers - noise removal, voice clarity, echo reduction.
About AAC
AAC is efficient streaming codec. It is commonly used for YouTube, Apple Music, and mobile streaming. Trimming AAC with this tool uses stream copy mode, so the audio is cut without re-encoding and without quality loss.
How to trim a AAC file online
- 1
Upload your AAC file
Drag and drop or click to select your AAC file. It stays on your device - nothing is uploaded.
- 2
Set start and end points
Use the Start and End sliders. The waveform highlights your selection in real time. Hit Preview to hear it.
- 3
Click Trim
The AAC is cut instantly without re-encoding - no quality loss, no waiting for a server.
- 4
Download your trimmed AAC
Download the file immediately. No registration, no email, completely free.
Frequently asked questions
How do I trim a AAC file online?
Upload your AAC file, set the start and end points with the sliders, preview the selection, then click Trim. The trimmed AAC file downloads instantly - nothing is uploaded.
Will trimming a AAC reduce its quality?
No. The tool uses stream copy mode - it cuts the AAC without re-encoding, so there is no quality loss.
Is my AAC file uploaded to a server?
No. The trimmer runs entirely in your browser. Your AAC file never leaves your device.
Professional audio restoration
Trimmed audio still sounds noisy?
Trimming removes unwanted sections - but if the remaining AAC has noise, hiss, hum, or muffled speech, WefixSound engineers can professionally restore it. Free sample before you pay.