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StackTools vs Keywords Everywhere

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

StackTools compared with Keywords Everywhere
DetailStackTools logo StackToolsKeywords Everywhere logo Keywords Everywhere
What it doesPrivate browser tools for everyday work Browser extension showing search volume, CPC, competition and trends across 15+ sites
StageNot given Established
FoundedNot given 2015
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Bronze: $84/year (100,000 credits); Silver: $168/year (400,000 credits); Gold: $480/year (2 million credits); Platinum: $1,440/year (8 million credits). All plans billed annually, cancel anytime. 1 credit = 1 keyword. Credits expire after one year.
Key features
  • PDF merge, split and compress
  • Convert Word, Excel, images to PDF
  • OCR, redact and protect PDFs
  • Compress images (JPG, PNG, WebP, AVIF)
  • Convert HEIC images
  • Background removal
  • On-device image upscale
  • Works offline after first load
  • No signup required
  • Search volume and CPC data across 15+ sites
  • 12-month trend charts and historical volume data
  • Competitor keyword analysis and ranking keywords
  • Works on Google, YouTube, Amazon, Bing, Etsy and eBay
  • 200+ AI prompt templates for ChatGPT, Claude, Gemini and DeepSeek
  • Social media engagement metrics for Instagram, Twitter/X and Pinterest
  • Hashtag generator for Instagram
  • Moz link metrics including Domain Authority and backlinks
  • On-page SEO analysis and keyword density
  • Google Search Console visualization
What makes it different
  • Files process in your browser with no uploads to servers
  • No account, no credit card, no friction
  • Works offline after first visit
  • Shows exact monthly search volumes without needing a Google Ads account
  • Data appears inline on sites you already use instead of requiring a separate tool
  • Extensive free version with no API key required for many features
  • Works across 15+ platforms including Google, YouTube, Amazon and ecommerce sites
  • Trusted by over 1.5 million marketing professionals
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)8 no change since last check80 no change since last check
Trust Flow (Majestic)425
Citation Flow (Majestic)1448
Referring domains (Majestic)45875

4 details filled in for both companies.

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