Privacy-First Audio Converter & Editor
Convert, edit, trim, and merge audio files directly in your browser. 100% private - no uploads, no tracking, unlimited use.
Powerful Audio Tools
Everything you need to work with audio files
Audio Converter
Convert between MP3, WAV, FLAC, M4A, AAC, OGG and more. Adjust bitrate and quality settings.
Video to Audio
Extract audio tracks from video files (MP4, AVI, MOV, MKV) and save in any audio format.
Audio Trimmer
Cut and trim audio files with waveform visualization. Precise millisecond control.
Audio Merger
Combine multiple audio files into one. Drag to reorder, add crossfades between tracks.
Audio Compressor
Reduce file size while maintaining quality. Perfect for email attachments and sharing.
Complete Privacy
All processing happens in your browser. Your files never leave your device.
Why Choose AudioKit?
Privacy First
Your files never leave your device. All processing happens locally in your browser using WebAssembly technology.
Lightning Fast
No waiting for uploads or downloads. Instant processing with no server delays or queue times.
Works Offline
Install as a PWA and use AudioKit completely offline. No internet required after first load.
How It Works
Simple, fast, and completely private
Upload Your File
Drag and drop or click to select your audio or video file from your device.
Choose Settings
Select output format, quality, and any other options for your conversion or edit.
Download Result
Your file is processed instantly in your browser. Download the result with one click.
Frequently Asked Questions
Everything you need to know about AudioKit
Is AudioKit really free?
Yes, AudioKit is completely free with no limitations. There are no hidden fees, premium tiers, or file size restrictions. All features are available to everyone, forever.
Do my files get uploaded to a server?
No, your files never leave your device. All audio processing happens entirely in your browser using WebAssembly technology (FFmpeg.wasm). This means complete privacy - we never see, store, or have access to your files.
What audio formats are supported?
AudioKit supports all major audio formats including MP3, WAV, FLAC, M4A, AAC, OGG, WMA, AIFF, and more. You can convert between any of these formats freely. For video extraction, we support MP4, AVI, MOV, MKV, and other common video formats.
Is there a file size limit?
There's no artificial file size limit imposed by AudioKit. The only limitation is your device's available memory. Since processing happens in your browser, larger files will take longer to process and require more RAM. Most devices can handle files up to several gigabytes.
Can I use AudioKit offline?
Yes! AudioKit is a Progressive Web App (PWA) that works completely offline after your first visit. You can install it on your device and use all features without an internet connection. The first load requires internet to download the FFmpeg library (~30MB), but after that it's fully offline-capable.
How does AudioKit compare to desktop software?
AudioKit uses the same powerful FFmpeg engine that many desktop applications use, so the quality is identical. The main advantage is convenience - no installation required, works on any device, automatic updates, and complete privacy. For advanced audio production, desktop software may offer more features, but for conversion, trimming, merging, and compression, AudioKit is just as capable.
What quality settings should I use?
It depends on your use case: For podcasts and voice, 64-128 kbps MP3 is sufficient. For music listening, 192-256 kbps MP3 or 128 kbps AAC offers good quality. For archival or audiophile use, use 320 kbps MP3 or lossless formats like FLAC or WAV. AudioKit provides presets for common scenarios to make this easier.
Can I batch convert multiple files at once?
Yes! The converter tool includes batch processing mode. You can upload multiple files, apply the same settings to all of them, and download the results as a ZIP file. This is perfect for converting entire music albums or podcast episodes at once.
Why is the first conversion taking longer?
The first time you use AudioKit, it needs to download the FFmpeg.wasm library (~30MB). This is a one-time download that gets cached in your browser. After that, all conversions are instant with no additional loading time. Think of it like installing desktop software, but automatic and much faster.
Is AudioKit safe to use?
Absolutely. AudioKit is completely safe and secure. Since all processing happens in your browser, your files never leave your device - there's no server to be hacked or data breach to worry about. We don't collect any personal information, track your usage, or show ads. The source code is open and transparent.
Ready to Get Started?
Start converting and editing your audio files now. No sign up required.
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