Free browser-based audio converter with no uploads or signups required
A collection of easy-to-use web tools for all your audio files
Stage
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Pricing model
Freemium
Free
Pricing
Free: 5 conversions per month with 10-second preview output, 20MB file size limit. Pro Weekly: $5.99/week with unlimited conversions, full-length output, 500MB file size limit. Pro Monthly: $9/month with same Pro features. Pro Yearly: $5/month billed as $60/year (44% discount) with same Pro features
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Key features
Local browser-based processing with WebAssembly
Works offline once page loads
Support for MP3, WAV, FLAC, OGG, M4A, AAC, WMA, AIFF, Opus
Unlimited conversions with Pro subscription
500MB file size limit on Pro plans
Audio editing tools including cutter, joiner, compressor, and speed changer
Cross-device access with Pro subscription
Works on all modern browsers and operating systems
Bass Booster with multiple intensity presets
Noise Reducer for background noise removal
Vocal Remover to isolate instrumental
Equalizer to adjust audio frequencies
Tempo Changer to adjust playback speed
BPM Detector for tempo analysis
Audio Converter for format conversion
Waveform and Spectrogram Image generation
What makes it different
Files stay on your device with no server uploads
No installation, plugin, or account signup required
Works offline after initial page load
Processes audio at full CPU speed locally in browser
Conversion starts immediately without upload delays
Easy-to-use web-based tools requiring no software installation
Comprehensive suite of audio effects and processing tools
Pitch conversion including 440 Hz to 432 Hz conversion
Audioalter