貼得安心，對得放心。
Privacy-First Contract & Policy Diff Tool | 100% Client-Side Processing | Zero Server Upload
ClauseDiff 安心對 is a privacy-first text comparison web application designed specifically for Confidential Contracts, Policies, and Enterprise Documents. Powered entirely by Client-Side processing, your sensitive contracts, emails, and internal policy documents are compared directly within your browser’s memory—never uploaded to any server or cloud database.
ClauseDiff 安心對 是一款專為 敏感合約、機密文件與企業政策 打造的輕量化私隱比對工具。透過純前端本地運算（Client-Side Processing），所有敏感合約、Email 及政策條文完全在您的瀏覽器記憶體內進行比對，絕不上傳至任何第三方伺服器，徹底杜絕商業機密與個人資料外洩風險。
- 🔒 100% Client-Side Processing (Zero Server Upload) / 100% 本地純前端運算
- All text comparisons run locally in your browser (RAM). Zero API calls, zero database persistence.
所有文字比對完全在您的本機瀏覽器（RAM）內即時完成，零 API 呼叫、零資料庫儲存。
- All text comparisons run locally in your browser (RAM). Zero API calls, zero database persistence.
✈️ Air-Gapped & Offline Ready (PWA Powered) / 支援 100% 斷網與飛航模式- Service Worker cache architecture enables users to disconnect Wi-Fi or toggle Flight Mode for ultimate air-gapped security.
採用 PWA 快取架構。使用者可直接斷網或開啟飛航模式進行條文比對，達到最高級別的隔離審查（Air-Gapped Privacy）。
- Service Worker cache architecture enables users to disconnect Wi-Fi or toggle Flight Mode for ultimate air-gapped security.
- ⚖️ Clause & Policy Optimized / 條款與政策專屬優化
- Designed for legal clauses, corporate policies, and sensitive emails with word-level highlightings for insertions, deletions, and punctuation edits.
專為合約條款、企業政策與敏感信件設計，高亮顯示文字增刪、標點符號修訂與格式異動。
- Designed for legal clauses, corporate policies, and sensitive emails with word-level highlightings for insertions, deletions, and punctuation edits.
- 🌐 Bilingual Interface (i18n) / 一鍵切換中英文
- Seamlessly switch between Traditional Chinese and English with a single click.
內建繁體中文與英文介面一鍵切換。
- Seamlessly switch between Traditional Chinese and English with a single click.
Designed with strict Privacy by Design & Default principles, ClauseDiff aligns with global cybersecurity and data privacy standards:
本專案在架構設計上落實 Privacy by Design & Default 原則，對齊以下國際資安與私隱管理標準：
| Standard / 國際標準 | Architectural Assurance / 合規架構保障 |
|---|---|
| ISO/IEC 27001 (ISMS) | Zero Storage & Air-Gapped Capability: Zero data transit or persistence. Fully operational offline or in Flight Mode. 無數據傳輸與持久化儲存，支援全離線與飛航模式運算，徹底封堵外洩風險。 |
| ISO/IEC 27701 (PIMS) | Data Minimization: Zero PII (Personally Identifiable Information) collection, strictly adhering to GDPR & PDPO. 完全不收集 PII 個人資料，符合 GDPR 及香港 PDPO 私隱條例。 |
| ISO/IEC 42001 (AIMS) | Governance Safe: Content is processed locally and never ingested or used for third-party AI model training. 輸入內容絕不上傳雲端，保證絕不被用於第三方 AI 模型訓練。 |
- Frontend Engine: HTML5 / Vanilla JavaScript (ES6+)
- PWA Engine: Service Worker API (
sw.js) - Styling: Tailwind CSS (via CDN)
- Diff Engine: jsdiff
- Deployment: GitHub Pages (Serverless)
Experience the live app immediately on GitHub Pages without installing anything:
無需安裝任何套件，造訪已部署的線上版本：
Distributed under the MIT License.