Mamorukun
Mask sensitive details before sending them to AI
Details
- External ID
- 1248033
- Source
- PH
- Company
- —
- Product
- Mamorukun
- Website domain
- producthunt.com
- Launched
- Sept. 15, 2026
- Cohort
- —
- Upvotes
- 2
- Upvotes percentile
- 0.7405388069275176
- Tags
- Chrome Extensions, Privacy
- Fetched at
- Sept. 16, 2026, 5:01 p.m.
- Updated at
- Sept. 16, 2026, 5:01 p.m.
Description
A free Chrome extension that checks text locally before you send it to ChatGPT, Gemini or Copilot. Review and mask detected personal or confidential details, and inspect supported file attachments. Designed for Japanese workflows. No account or API key.
Enrichment
- Theme
- AI visibility and marketing tools
- Vertical
- Security
- Function
- Compliance & governance
- Audience
- Prosumer
- AI stance
- AI feature
- Project type
- Commercial product
- Normalized one-liner
- sensitive data masking tool for ai prompts
- Manually corrected
- False
Could you build this?
Yes It is a standard Chrome content-script extension that intercepts input fields on specific AI sites and runs local client-side regex or token matching for Japanese PII.
Competitors
Other products that read as similar to this one — 82 launches clear the similarity bar, closest 8 shown.
Attention rank: #18 of 83 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 319 days after the earliest competitor.
- maskgate · github · 2026-09-09 · 268 upvotes · similarity 0.48
- NanoPilot AI · ph · 2026-09-30 · 1 upvotes · similarity 0.45
- TokenTrim · ph · 2026-09-16 · 10 upvotes · similarity 0.45
- ZeeroGPT · ph · 2026-09-25 · 1 upvotes · similarity 0.44
- Local Privacy Firewall-blocks PII and secrets before ChatGPT sees them · hn · 2025-12-09 · 111 upvotes · similarity 0.43
- WhileAI · ph · 2026-09-28 · 1 upvotes · similarity 0.43
- DeChecker · hn · 2025-12-09 · 6 upvotes · similarity 0.41
- askwords.ai · ph · 2026-09-23 · 2 upvotes · similarity 0.41
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a compliance & governance tool for Media & entertainment yet.