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Key Changer vs Locksy

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

Key Changer compared with Locksy
DetailKey Changer logo Key Changer Locksy
What it doesChange the key of audio in your Chrome tab while keeping vocals natural Lock and password-protect any browser tab in one click with offline encryption and no account needed
StageNot given Startup
FoundedNot given 2024
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free Core tier includes core tab locking, biometric unlock, offline encryption, 3 domain locks, 3 intruder photos, 5 biometric unlocks per day, and 3 total uses of Lock All Tabs. Locksy Pro is $4.99 one-time payment for lifetime license covering up to 5 devices, with unlimited domain locks, unlimite
Key features
  • Pitch shift from −12 to +12 semitones
  • Fine-tuning by ±50 cents
  • Keep vocals natural mode enabled by default
  • Preserves playback speed while changing pitch
  • Works with YouTube, YouTube Music, Spotify Web, SoundCloud
  • Video stays synchronized with processed audio
  • Remembers pitch preferences for each song
  • Keyboard shortcuts for pitch adjustment
  • Processes audio locally with no uploads
  • Powered by Key Changer Engine for natural pitch shifting
  • Password protection with PBKDF2 encryption at 600,000 iterations
  • Domain and URL path locking with wildcard patterns
  • Biometric unlock with Touch ID, Windows Hello, and Face ID
  • Auto-lock timer with smart activity detection
  • Privacy Blur Shield to mask passwords and credit cards
  • Screen Share Shield for meeting protection
  • Webcam intruder capture on failed unlock attempts
  • Scheduled locking during specific hours and days
What makes it different
  • Preserves natural vocal character while shifting pitch
  • Processes audio locally in browser, no data uploaded
  • Works with most major streaming platforms without additional setup
  • Video stays perfectly synchronized with pitch-shifted audio
  • No account required, works instantly in 30 seconds
  • One-time $4.99 lifetime Pro payment with no subscriptions
  • Works across all major browsers including Chrome, Edge, Firefox, Brave, Opera, Vivaldi
  • Granular tab-level protection instead of all-or-nothing device lock
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check36 no change since last check
Trust Flow (Majestic)01
Citation Flow (Majestic)1220
Referring domains (Majestic)220

4 details filled in for both companies.

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