Audio Cutter Online
Cut and trim audio files with precision. Set start and end points visually on the waveform timeline. Free, no signup.
How to Cut Audio
Upload Audio
Drag and drop your audio file (MP3, WAV, FLAC, OGG, AAC, M4A, or others) into the tool above, or click to browse. Up to 100 MB.
Set Start & End
Drag the start and end handles on the waveform timeline to select the portion you want to keep. Preview your selection before cutting.
Download
Click Cut & Download and save your trimmed audio clip. Choose to keep the original format or convert to MP3/WAV.
Supported Audio Formats
Upload audio files in any of these popular formats. The trimmed output can be delivered in the original format, MP3, or WAV depending on your choice.
| Format | Extension | Notes |
|---|---|---|
| MP3 | .mp3 | Most popular compressed audio format. Universal playback support across all devices. |
| WAV | .wav | Uncompressed lossless format. Large files but perfect audio quality. Standard for production. |
| FLAC | .flac | Lossless compressed format. Smaller than WAV with identical quality. Audiophile favorite. |
| OGG | .ogg | Open-source compressed format (Vorbis codec). Good quality at lower bitrates. |
| AAC | .aac, .m4a | Advanced Audio Coding. Default for Apple devices, iTunes, and YouTube. Better than MP3 at same bitrate. |
| WMA | .wma | Windows Media Audio. Microsoft ecosystem format. Common on older Windows devices. |
| AIFF | .aiff | Apple lossless format. Similar to WAV but from the Mac ecosystem. Used in music production. |
| OPUS | .opus | Modern open codec. Excellent quality at very low bitrates. Used in voice calls and streaming. |
| AMR | .amr | Adaptive Multi-Rate. Common for voice recordings on mobile phones. |
| AC3 | .ac3 | Dolby Digital. Surround sound format used in DVDs and streaming. |
Common Use Cases
- Create ringtones — select a 20–40 second portion of any song to use as a phone ringtone. Cut the exact chorus or drop you want, then download and set as your ringtone.
- Edit podcasts — trim intros, outros, or awkward pauses from podcast recordings. Remove the first few seconds of dead air or cut an episode to a clean ending point.
- Extract audio samples — pull specific sound effects, vocal snippets, or instrument loops from longer recordings. Perfect for music producers, DJs, and content creators.
- Trim lecture recordings — cut out the waiting period before a lecture starts or remove irrelevant Q&A at the end. Keep only the content that matters.
- Social media clips — trim audio to fit platform limits. Extract the best 15–60 seconds of a song or speech for Stories, Reels, or TikTok.
Audio Quality
When you select “Same Format” as the output, the tool cuts the audio stream directly without re-encoding. This means the trimmed file retains the exact same bitrate, sample rate, and audio quality as the original. The cut is made at the nearest frame boundary for lossless precision.
If you choose to convert to MP3 or WAV, the audio is re-encoded using high-quality settings: MP3 output uses 192 kbps CBR for consistent quality, while WAV output is uncompressed 16-bit PCM for perfect lossless fidelity. Both options preserve the original sample rate.