Prompt haKCer icon

Prompt haKCer

by haKC.ai · Privacy & Security
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

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

Users
17
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#160K
#134K among extensions
Version
23.2
updated 10 Dec 2025

Users

monthly, 10 months
0918Dec 2025Jun 2026Oct 2026
Latest, 15 Oct 2026: 17 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months
001Dec 2025Jun 2026Oct 2026
Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Prompt haKCer

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.

Growth

WindowUsersChangeRatingsRating
7 days−1−5.6%00.00
30 days0+0.0%00.00
6 months+8+88.9%00.00

Version history

2 versions recorded
23.210 Dec 2025
23.04 Dec 2025

Details

Category
Privacy & Security
First seen
4 Dec 2025
Size
108 KB
Languages
en
Pricing
Free
Privacy policy
github.com
Support
github.com
Extension ID
ihdhaipofhijolleameimgfmmafgpncp

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
storageactiveTabcontextMenusclipboardWriteclipboardReadscripting

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