StackTools vs Index

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 Index
Detail	StackTools	Index
What it does	Private browser tools for everyday work	Keep work, personal life, and every project in its own space. Switch between them without closing tabs or losing your place.
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	Spaces, each holding its own groups that open as Chrome tab groups Favorites: up to eight pinned pages that stay with you in every space Sleeping tabs that go out of sight and come back when clicked Hundreds of themes Rewind function keeping a week of changes on your computer Export one JSON file to share with AI assistants like ChatGPT or Claude Search any group, space or link from any page Private by design with no account, server, or network requests
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	Keeps a week of changes you can rewind through on your computer Sleeping tabs preserve your place while keeping them out of sight
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	20 no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	14	9
Referring domains (Majestic)	4	7

4 details filled in for both companies.

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