AudioUtils vs Format Factory

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

AudioUtils compared with Format Factory
Detail	AudioUtils	Format Factory
What it does	Free browser-based audio converter with no uploads or signups required	Browser-based online video and audio converter with batch processing
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
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	Free: 10 credits per day, 250 MB max file size, 1 conversion at a time. Starter: $9/mo billed annually, 500 credits per month, 750 MB max file size, 5 conversions at a time. Plus: $12/mo billed annually (37% off), 1,500 credits per month, 4 GB max file size, 15 conversions at a time. Pro: $39/mo bil
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	Batch conversion with up to 50 compatible files per batch Support for MP4, MOV, MKV, WEBM, AVI, WMV, FLV, OGV, and 3GP video formats Audio format support including MP3, WAV, AAC, AIFF, ALAC, AMR, M4A, OGG, FLAC, WMA, OPUS, and AC3 Customizable output quality and bitrate settings Video editing options including trim, crop, resize, and frame rate adjustment Audio extraction from video files File and compression size controls Individual file overrides within batch settings Per-file progress tracking during conversion Download files immediately upon completion
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	No installation required - works in any modern web browser Batch-ready workflow with shared settings for multiple files No account required to start converting Temporary file handling with no AI training or data selling Cloud-based processing accessible on Windows, macOS, Linux, Chromebooks, phones, and tablets
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 −1 (down) since last check	18 no change since last check
Trust Flow (Majestic)	21	18
Citation Flow (Majestic)	25	22
Referring domains (Majestic)	136	65

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