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Deals Copier vs Key Changer

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

Deals Copier compared with Key Changer
DetailDeals Copier logo Deals CopierKey Changer logo Key Changer
What it doesChrome extension that turns product pages into ready-to-publish affiliate posts Change the key of audio in your Chrome tab while keeping vocals natural
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: unlimited capture, affiliate link conversion, image collage and square video, 10 AI calls per month. Pro: $4.99 one-time payment for unlimited AI title shortening, copywriting and translation. Not given
Key features
  • Capture deal data including title, price, MRP, discount, bank offers and images
  • Auto-convert product URLs into affiliate-tagged links across Amazon Associates, eBay Partner Network, Rakuten, CJ and EarnKaro
  • Shorten titles and write deal copy with AI
  • Translate posts into 12 languages
  • Export to 5 platforms: Telegram, WhatsApp, Reddit, X and Facebook
  • Support for 30 sites: 22 Amazon marketplaces, 5 eBay sites, plus Walmart, Woot! and Flipkart
  • Works locally in browser with no server transmission of deal data
  • 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
What makes it different
  • One-click capture and publication across multiple platforms and storefronts
  • All processing runs locally in the browser with no data sent to servers
  • Lifetime Pro access via single $4.99 payment with no subscription or cancellation needed
  • 14-day money-back guarantee on Pro
  • Support for 22 Amazon marketplaces, 5 eBay sites and additional storefronts in one extension
  • 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
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)17 +1 (up) since last check2 no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)1712
Referring domains (Majestic)32

4 details filled in for both companies.

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