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HighlightGPT vs PromptForge

Focuses on prompting across multiple AI models, not specifically on highlighting inside ChatGPT.

Which to pick

Pick HighlightGPT if you want…

  • Highlight-to-ask inside ChatGPT

Pick PromptForge if you want…

  • One-click prompt management inside AI web apps
  • Cross-model prompt enhancement

Side by side

What it is
HighlightGPT:A lightweight browser extension that lets you highlight any text in ChatGPT and get instant explanations, translations or answers in a side panel.
PromptForge:PromptForge is a browser extension that lets you discover, run, and manage AI prompts directly inside ChatGPT, Gemini, Claude, MidJourney and more.
Best for
HighlightGPT:Highlight-to-ask inside ChatGPT
PromptForge:One-click prompt management inside AI web apps
Who it’s for
HighlightGPT:Developers and power-users who interact with code, errors or docs inside ChatGPT.
PromptForge:Developers and prompt engineers who use web-based AI chat and image generators.
Pricing
HighlightGPT:Freemium
PromptForge:Freemium
Plans
HighlightGPT:Free $0
PromptForge:—
Works with
HighlightGPT:—
PromptForge:ChatGPT, Google Gemini, Claude, MidJourney

HighlightGPT features

  • Highlight to ask. Select any text and send it to ChatGPT for questions, explanations, translations or memorization in one click.
  • Side-panel replies. Answers appear in a slim side panel so the main ChatGPT thread stays visible.
  • Save to memory. Manually push important answers to ChatGPT’s memory for future context.
  • Zero extra tokens. Uses ChatGPT’s native web experience without consuming additional tokens.
  • Ad-free Pro mode. Pro upgrade removes ads and adds unlimited memory saves, priority support and early feature access.

PromptForge features

  • Community & Private Prompts. Browse, save, and share thousands of community prompts or create private collections.
  • Prompt Variables. Add dynamic variables to prompts for reusable, customizable inputs.
  • Quick Continue. Insert predefined continuations into a chat with over 30 options or custom ones.
  • Prompt Extenders. Inject extra data, tone, or style modifiers into any prompt with a single click.
  • Advanced Search. Find prompts quickly using rich filtering across collections and tags.
  • Web Scraping. Live web-scraping service to pull up-to-date information into prompts.
  • Customization Settings. Adjust display, language, tone presets, and other UI options to suit your workflow.
  • Sync Across Platforms. Your prompts, favorites, and collections sync automatically across supported AI platforms.

HighlightGPT vs PromptForge FAQ

Is HighlightGPT or PromptForge free?+

HighlightGPT has a free plan and paid plans. PromptForge has a free plan and paid plans.

On DevHunt

HighlightGPT

6 upvotes · Launched on DevHunt on Jan 13, 2026

PromptForge

14 upvotes · Launched on DevHunt on Jan 2, 2024

Based on each tool's website and DevHunt data. Details may change; check the official sites.