StackTools vs Crumbongo

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 Crumbongo
Detail	StackTools	Crumbongo
What it does	Private browser tools for everyday work	Browse. Harvest. Play.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
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	Harvest accessible cookies from websites you authorize Customize Bongo with pixel-art cosmetics Play Monkey Climb minigame Play Cookie Stack minigame Unlock habitats and companions Local-only data storage No analytics or tracking
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	Privacy-first design with no data transmission All gameplay data stays local in your browser Transforms everyday browsing into an engaging game Never modifies or deletes browser cookies
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	8 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	4	7
Citation Flow (Majestic)	14	19
Referring domains (Majestic)	4	7

4 details filled in for both companies.