PI Labs vs StackTools

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

PI Labs compared with StackTools
Detail	PI Labs	StackTools
What it does	Small browser tools that stay out of the way	Private browser tools for everyday work
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Basic: $10/month (400 energy), Standard: $20/month (800 energy), Pro: $95/month (4,400 energy). Top up: $20 for 800 energy.	Not given
Key features	Energy-based usage model One Google account, no licence key Cancel any time	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
What makes it different	Built solo and shipped frequently Small tools that stay out of the way Energy-based pricing scales with usage	Files process in your browser with no uploads to servers No account, no credit card, no friction Works offline after first visit
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	8 no change since last check
Trust Flow (Majestic)	3	4
Citation Flow (Majestic)	16	14
Referring domains (Majestic)	16	4

4 details filled in for both companies.