Audio Trimmer & MP3 Cutter
Trim any audio file to the perfect length — instantly in your browser using FFmpeg. No uploads, no sign-up, completely free.
Drop your audio here
or click to browse — MP3, WAV, OGG, AAC, FLAC and more
Pro Audio Trimming in Your Browser
FFmpeg precision, lossless stream copy, and centisecond accuracy — no editing suite needed.
Centisecond Precision
Set start and end times with MM:SS.cc accuracy. Find the exact zero-crossing you want to cut on.
Lossless Stream Copy
FFmpeg's -c copy mode trims audio without re-encoding. Zero quality loss, near-instant processing.
100% Private — FFmpeg WASM
All trimming runs in your browser using FFmpeg compiled to WebAssembly. Your audio never leaves your device.
Audio Player Preview
Scrub, play, and preview the exact moment before committing. Listen back before the download completes.
Every Major Format
MP3, WAV, OGG, AAC, FLAC, and more — input and output stay in the same format, preserving quality.
Instant Download
Stream-copy trimming is so fast your trimmed file is ready by the time you click the download button.
Who Uses the Audio Trimmer
Podcasters, musicians, and anyone who needs a clean audio cut without opening Audacity or Logic.
Podcasters & Creators
Trim intros, outros, and mid-roll gaps from podcast episodes and long-form audio content before publishing.
- Cut dead air at the start and end
- Extract episode clips for social
- Create show preview teasers
Musicians & Producers
Cut samples, trim demos, and prepare audio assets for DAWs and sample libraries — no quality loss.
- Trim samples to the perfect loop
- Create demo cuts for SoundCloud
- Prep stems before DAW import
Personal & Everyday
Make custom ringtones, trim voice memos, and shorten audio recordings before messaging them to friends and family.
- Create custom phone ringtones
- Trim voice memos for clarity
- Shorten long audio messages
How to Trim Audio in 3 Steps
Upload your audio file by dragging & dropping or clicking the upload area to browse your files.
Set the start and end time for your trim. Use the audio player to find the exact timestamps you need.
Click Trim Audio and download your perfectly clipped audio file instantly.
Explore More Tools
Discover other free tools that work great alongside this one
Frequently Asked Questions
Answers to the most common questions about trimming audio files online.
What audio formats are supported?
You can upload MP3, WAV, OGG, AAC, FLAC, and most other common audio formats. The output is saved in the same format as the original file.
Will trimming reduce audio quality?
No. We use FFmpeg's stream copy mode (-c copy), which trims the audio without re-encoding it. This means zero quality loss — the audio data is kept exactly as-is.
Is my audio file uploaded to a server?
Never. All trimming happens entirely in your browser using FFmpeg compiled to WebAssembly. Your audio file never leaves your device.
Can I trim to the exact second?
Yes. You can set the start and end time with centisecond precision using the MM:SS.cc format (e.g., 01:23.45). The audio player helps you find the right timestamps by playing back the audio.