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Format Factory vs Key & BPM Lab

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

Format Factory compared with Key & BPM Lab
DetailFormat Factory logo Format FactoryKey & BPM Lab logo Key & BPM Lab
What it doesBrowser-based online video and audio converter with batch processing Free browser-based audio tools for finding and changing song key and BPM
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 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 Free plan includes Key & BPM Finder and Changer, Audio Cutter and Joiner, BPM Tapper and Metronome, Voice Recorder, and local processing tools with files saved for 6 hours. Plus plan: $9.90/month with 1,000 credits per month and files saved for 7 days. Pro plan: $19.90/month with 2,500 credits per m
Key features
  • 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
  • Detect song tempo, musical key, scale and Camelot code
  • Change key and BPM independently and export as WAV
  • Cut and join audio segments
  • Record voice and tap beat timing
  • Practice with online metronome
  • Remove vocals from songs
  • Split songs into instrument stems
  • Enhance audio quality with AI
  • Convert audio to editable MIDI
What makes it different
  • 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
  • Process audio locally in browser without uploading to servers
  • No file storage or account required for free tools
  • All free tools with privacy-first design
  • Direct export from browser without server processing
Community votes00
DR (Domain Rating by Ahrefs)18 no change since last check24 no change since last check
Trust Flow (Majestic)1819
Citation Flow (Majestic)2212
Referring domains (Majestic)6535

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