1. Upload your audio file or drag & drop it into the tool.
2. Play and visualize the waveform to find the section you need.
3. Drag the start and end markers to select your clip.
4. Preview the selection to confirm it sounds right.
5. Download the trimmed audio in the original format.

Why trim audio?

• Remove silence: Cut dead air from the beginning or end of recordings.
• Extract highlights: Pull out the best moments from long files.
• Create ringtones: Trim songs down to 30-second clips.
• Podcast editing: Remove intro/outro or isolate specific segments.
• Social media: Fit audio into platform time limits (Instagram Stories, TikTok).
• File size: Reduce storage and bandwidth by keeping only what matters.

Key features

Visual waveform editor

• See your audio: Waveform visualization shows volume levels and helps you find the right spot
• Zoom controls: Get precise down to the millisecond
• Playback preview: Listen to your selection before exporting
• Drag handles: Intuitive start/end markers for quick adjustments

Format support

• MP3 — Most common format for music and podcasts
• WAV — Uncompressed audio for professional quality
• M4A — Apple's AAC format for iOS and iTunes
• OGG — Open-source alternative to MP3
• FLAC — Lossless compression for audiophiles

Smart controls

• Time display: See exact timestamps in MM:SS.mmm format
• Duration counter: Know exactly how long your clip will be
• Keyboard shortcuts: Space to play/pause, arrow keys to nudge markers
• Undo/reset: Start over if you make a mistake

Privacy-first

• 100% client-side: Your audio never leaves your device
• No uploads: Processing happens in your browser using Web Audio API
• No accounts: No registration, no tracking, no data collection
• Instant: No waiting for server processing or queues

Common use cases

Podcasters: Remove intro music, cut out mistakes, or extract clips for social media teasers.

Musicians: Create song previews, trim samples, or prepare audio for video projects.

Content creators: Extract sound bites from interviews, trim voiceovers to match video length.

Educators: Cut lecture recordings into smaller segments for easier distribution.

Marketers: Create short audio ads or trim testimonials to key quotes.

Personal use: Make custom ringtones, trim voice memos, or clean up recordings.

Tips for best results

• Use headphones for precise editing — you'll hear details better
• Zoom in when trimming speech to avoid cutting off words
• Leave padding — add 0.1-0.2 seconds before/after to prevent abrupt cuts
• Preview multiple times before downloading to ensure smooth transitions
• Keep originals — always save a backup of your source file
• Check format — some platforms prefer MP3, others want WAV or M4A

Technical details

The tool uses the Web Audio API to decode and process audio entirely in your browser. This means:

• Fast processing: No upload/download delays
• High quality: No re-encoding unless you change format
• Secure: Your files stay on your device
• Works offline: Once loaded, the tool works without internet

Limitations to know

• File size: Very large files (>100MB) may be slow on older devices
• Browser support: Modern browsers only (Chrome, Firefox, Safari, Edge)
• No effects: This tool only trims — no filters, EQ, or volume adjustments
• Original quality: Output matches input quality (no upsampling)

Export options

• Same format: Keep the original file type (recommended for quality)
• Convert to MP3: Universal compatibility for sharing
• Bitrate preserved: Audio quality stays the same unless you convert
• Metadata stripped: ID3 tags are removed for privacy

Final thoughts

Whether you're cleaning up a podcast, creating a ringtone, or extracting a perfect clip for social media, Audio Trimmer makes it fast and simple. No software to install, no files uploaded to servers — just load, trim, and download. Your audio, your device, your control.