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Format Factory vs Spectro

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 Spectro
DetailFormat Factory logo Format FactorySpectro logo Spectro
What it doesBrowser-based online video and audio converter with batch processing Detects fake lossless audio files on Mac by analyzing spectral content
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
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 Personal: $24.99 USD (one-time, 1 Mac). Duo: $39 USD (one-time, 2 Macs). Both plans include unlimited file scans, offline and private analysis, free updates, and 30-day money-back guarantee. Free trial: 100 tracks with no time limit and no account required.
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
  • Full FFT spectral analysis with automatic LOSSLESS, MEDIUM, or FAKE verdict per track
  • Batch scanning and CSV export of results with verdict, format, bitrate, cutoff frequency and confidence score
  • Automatic macOS Finder color tags applied directly to files
  • Rekordbox XML import without drag and drop required
  • Support for WAV, AIFF, FLAC, ALAC, MP3, AAC, Ogg Vorbis and Opus formats
  • Folder watch mode with automatic analysis of new tracks
  • M3U and M3U8 playlist import for Traktor, VirtualDJ and other software
  • Bulk spectrogram PNG export for analyzed tracks
  • Completely offline operation with no internet or account required
  • 99% accuracy on transcoding detection based on peer-reviewed research across 2,512 songs
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
  • Native macOS application optimized for Apple Silicon and Intel with full sandboxing and notarization
  • One-time purchase with free updates, never a subscription or per-track fee
  • 30-day money-back guarantee on all purchases
  • Based on peer-reviewed research from 2009 ACM Multimedia & Security Workshop
  • Works with existing DJ workflows including Rekordbox, Traktor and VirtualDJ
Community votes00
DR (Domain Rating by Ahrefs)29 +10 (up) since last check3 no change since last check
Trust Flow (Majestic)187
Citation Flow (Majestic)2222
Referring domains (Majestic)6527

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