HighlightGPT vs LinkMartin

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

HighlightGPT compared with LinkMartin
Detail	HighlightGPT	LinkMartin
What it does	A browser extension that lets you ask, explain, translate, and memorize from highlights using ChatGPT's native responses	AI bookmark manager that saves pages, writes descriptions and tags, and shows your bookmarks in Google search results
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Not given	Freemium
Pricing	Free: $0/Lifetime includes highlight toolbar inside ChatGPT, ask/explain/translate, view answers in side panel, manually save to ChatGPT memory. Pro: $8/Lifetime adds remove ads, unlimited saving to ChatGPT memory, priority support, early access to new features.	Free: 50 AI credits per month, 5 categories, unlimited saves. Pro: $5 per month or $50 per year for unlimited AI credits, unlimited categories, custom AI instructions, and own AI key option.
Key features	Highlight toolbar inside ChatGPT Ask questions directly from highlighted text without retyping Translate ChatGPT replies while preserving tone and nuance Save important answers to ChatGPT memory Context-aware replies in side panel Zero extra tokens usage	Shows bookmarks in Google search results AI-generated descriptions, tags, and categories Search across titles, descriptions, tags, categories, and web addresses Custom AI instructions for how to write descriptions Use your own AI key from OpenAI, Anthropic, or compatible providers Search library from Claude, ChatGPT, and Codex Related bookmarks suggestions Import from Chrome, HTML, or CSV files Export everything anytime Local storage in browser with optional sync
What makes it different	Zero extra tokens - no additional token usage while using ChatGPT's native responses Side panel design keeps you reading ChatGPT uninterrupted Privacy-first with answers generated only by ChatGPT	Works offline with bookmarks stored locally in your browser No account required to start saving and searching Bookmarks automatically appear in Google search results Import with folder structure preserved as tags Free export forever with no deletion blocks
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)	32 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	19	0
Referring domains (Majestic)	32	0

4 details filled in for both companies.

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