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StackTools vs Smart Blur

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 Smart Blur
DetailStackTools logo StackToolsSmart Blur logo Smart Blur
What it doesPrivate browser tools for everyday work Blur personal data before you share your screen
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free plan includes pattern-based blurring for emails, phone numbers and IDs, click/draw/text selection blurring, and keyword matching. Pro Annual is $14.99 per year with AI detection of names and addresses, screen share auto-activation, and screenshot blurring. Pro Lifetime is $49.99 one-time. Team
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
  • Automatic pattern detection for emails, phone numbers and card numbers
  • Click, draw or text selection to blur any element
  • Custom keyword matching to hide words and names across pages
  • Local AI detection of names and addresses in plain text (Pro)
  • Share Shield auto-activation during screen shares (Pro)
  • Screenshot capture with blur baked into the image (Pro)
  • Saved blurs persist per page on revisit (Pro)
  • Import and export settings (Pro)
  • Works offline with local AI using WebGPU (Pro)
  • Works with any browser-based screen sharing tool
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
  • Automatic screen share detection and activation (Pro)
  • Local AI with offline capability using WebGPU
  • Works across any website with no domain restrictions
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 check4 no change since last check
Trust Flow (Majestic)45
Citation Flow (Majestic)1425
Referring domains (Majestic)448

4 details filled in for both companies.

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