Free browser-based audio converter with no uploads or signups required
Private audio tools for compression, conversion, and fading in your browser
Stage
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Founded
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Based in
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SG
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
MP3 bitrate conversion (128, 192, 256, or 320 kbps)
Fade-out audio with customizable duration
MP3 compression with file size comparison
WAV to MP3 and MP3 to WAV conversion
Fade-in audio with preview capability
M4A to MP3 conversion
Audio trimming with start and end time selection
Volume adjustment with gain in decibels
Stereo to mono conversion
Merge multiple audio files (2-8 files)
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
All processing runs locally in your browser with no server uploads
No account or editor login required to use any tool
Preview results before downloading your final file
AudioEditorKit