Prompt haKCer

Save tokens. Be secure. Write better prompts. It's got a haKC button.

As of June 2026, Prompt haKCer has 13 users in the Privacy & Security category.

Usersup 18.2 percent+18.2%
13
13
Ratingno change0%
— reviews
Reviewsno change0%
Version
23.2
Manifest V3

History

6 snapshots

Tracking since Apr 18, 2026.

14.48117.52Apr 18, 2026Jun 2, 2026
View as table
DateUsersRatingReviewsVersion
Apr 18, 20261123.2
Apr 27, 2026923.2
May 7, 20261223.2
May 14, 2026823.2
May 23, 20261423.2
Jun 2, 20261123.2
Now1323.2

Permissions & access

Permissions
storageactiveTabcontextMenusclipboardWriteclipboardReadscripting
Host access
None declared

Screenshots

Prompt haKCer screenshot 1Prompt haKCer screenshot 2Prompt haKCer screenshot 3Prompt haKCer screenshot 4

About

Automatically compress AI prompts by 15-90% while preserving their original meaning. This reduces token usage, decreases API costs, accelerates response times, and frees up context window space.

Example
Original: "Could you please help me? I was wondering if you could provide a detailed explanation of how machine learning works. I would really appreciate it if you could include some examples."

Optimized: "Explain machine learning with examples."

Features
- Optimization Engine
- 50+ CARE/CRAFT based and security focused rules targeting filler words, redundant phrases, and verbose constructions
- Five compression levels from light editing to aggressive compression
- Custom regex rules for specialized workflows

Compatibility
- Works with all AI chat interfaces, including custom and local
- Add custom sites using configurable CSS selectors
- Standalone popup mode for use on any page

Analytics Dashboard
- Real-time token counts and compression ratios
- Cost projections based on current API pricing
- Energy savings displayed as relatable comparisons

Usage
- Navigate to any supported AI chat platform
- Type your prompt in the input field
- Click the haKC button or press Ctrl+Shift+O
- Review and apply the optimized version

Privacy
- All processing runs locally in your browser. 
- Prompts never leave your device.
- No data collection, no external servers. - Open source and auditable.

Technical

Version
23.2
Manifest
V3
Size
108KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
ihdhaipofhijolleameimgfmmafgpncp
Developer ID
u35f2c6e3af01797264295a9946a90edc
Developer Email
[email protected]
Created
Dec 3, 2025
Last Updated (Store)
Dec 10, 2025
Last Scraped
Jun 2, 2026
Website

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Data sourced from the Chrome Web Store · last verified Jun 2, 2026.