# ToolKuai

> High-performance, 100% privacy-focused browser tools. Files never leave your device.
> 快速私密的瀏覽器檔案工具箱 - 免上傳、100% 本地處理.

## Navigation & Language Support
- **English:** https://toolkuai.com/
- **Traditional Chinese:** https://toolkuai.com/zh-tw/

## Available Tools

### Video Tools
- [Video Compressor – Reduce MP4, MOV, WebM Size Online](https://uploadless.app/compress-video) - Compress MP4, MOV, and WebM right in your browser—everything runs locally, keeping files private with fast speeds and great quality.
- [影片壓縮線上工具：支援 MP4/MOV 批次快速縮小、隱私安全免上傳](https://uploadless.app/zh-tw/compress-video) - 安全的線上影片壓縮工具，支援 MP4、MOV、WebM 格式，完全在瀏覽器在地處理，檔案不需上傳雲端，確保隱私安全、畫質清晰與高速壓縮體驗。

### Image Tools
- [Free Image to Text - Batch OCR Online (100% Local & Private)](https://toolkuai.com/ocr-reader) - Fast & secure Batch OCR tool. Convert multiple images to text instantly without uploading to any server. Keep your data private while extracting text from JPG/PNG.
- [圖片轉文字 - 免費線上 OCR 辨識 (批量處理、100% 隱私安全)](https://toolkuai.com/zh-tw/ocr-reader) - 支援批量「圖片轉文字」！這是一款無需上傳的 OCR 工具，在瀏覽器即時提取圖片文字，確保您的合約與私密文件 100% 不外洩，完全免費。
- [HEIC to JPG Converter – Works in Your Browser](https://toolkuai.com/heic-to-jpg) - Instantly convert HEIC images to JPG in your browser. No uploads needed, private processing, and batch conversion.
- [HEIC 轉 JPG 轉換器：100% 隱私安全、免上傳、在地處理](https://toolkuai.com/zh-tw/heic-to-jpg) - 在瀏覽器中即時將 HEIC 轉為 JPG，無需上傳檔案，處理過程私密安全，並支援 batch 轉換。
- [Image Compressor – Batch Compress JPG & PNG Online](https://toolkuai.com/image-compressor) - Optimize and compress JPG, PNG, and WebP images for faster websites. Everything runs in your browser, shrinking files without visible quality loss.
- [圖片壓縮線上工具：批次縮小 JPG/PNG (隱私安全免上傳)](https://toolkuai.com/zh-tw/image-compressor) - 在地瀏覽器處理的圖片壓縮工具，支援 JPG、PNG、WebP 格式，在維持高畫質的前提下大幅縮小檔案大小，提升網站載入速度並保護您的圖片隱私。
- [Free AI Background Remover - No Uploads & Batch Support (Private)](https://toolkuai.com/ai-background-remover) - Free AI background remover that runs locally in your browser. Supports batch processing for high-quality results. No uploads required, keep your data private.
- [圖片去背 - 免費線上 AI 背景移除工具 (免上傳/支援批次/100% 隱私)](https://toolkuai.com/zh-tw/ai-background-remover) - 最強免費線上圖片去背工具！採用 AI 技術在地瀏覽器處理，免上傳檔案、保護隱私，支援多張圖片批次去背，快速又安全。

### PDF Tools
- [PDF Compressor – Secure Online PDF Compression](https://toolkuai.com/pdf-compressor) - Reduce PDF file size right in your browser with private, local processing—no uploads to our servers while keeping your document quality intact safely.
- [PDF 壓縮線上工具：合約與私人文件免上傳、100% 隱私安全](https://toolkuai.com/zh-tw/pdf-compressor) - 安全可靠的 PDF 壓縮工具，所有處理都在您的瀏覽器本地執行，檔案不傳雲端，適合合約、公文與私人文件，在確保隱私的同時快速縮小檔案大小。
- [PDF Merger: Merge PDF Online - 100% Private (No Server Uploads)](https://toolkuai.com/pdf-merger) - Need to combine PDFs safely? Our local PDF merger processes files directly in your browser. No file size limits, no server uploads, and complete data privacy for your documents.
- [PDF 合併工具：【免上傳】100% 隱私安全、無檔案大小限制](https://toolkuai.com/zh-tw/pdf-merger) - 最強 PDF 合併線上工具！所有處理都在您的瀏覽器執行，檔案不傳雲端，確保合約與私人文件 100% 安全. 快速、免費且不限檔案數量，不用擔心個資外泄，立即體驗。
- [Word to PDF Converter - Convert Word to PDF Online (Safe & Private)](https://toolkuai.com/word-to-pdf) - Convert multiple Word docs (.docx, .doc) to PDF at once. 100% private browser processing with no uploads or limits.
- [Word 轉 PDF 轉換器：批次處理、100% 在地處理免上傳](https://toolkuai.com/zh-tw/word-to-pdf) - 支援多檔案批次轉換。採用 WASM 技術於瀏覽器在地轉換，不需上傳伺服器，保障隱私安全且完全無限制。
- [EPUB to PDF Converter - Convert Ebooks Online (100% Private)](https://toolkuai.com/epub-to-pdf) - Transform EPUB files to PDF securely in your browser. Local processing ensures your ebooks never leave your device.
- [EPUB 轉 PDF 轉換器：極速轉換、隱私安全免上傳](https://toolkuai.com/zh-tw/epub-to-pdf) - 極速將 EPUB 轉為 PDF。100% 瀏覽器在地處理免上傳且完全私密，確保電子書不外洩。
- [Password Protect PDF Online - 100% Private (No Upload)](https://toolkuai.com/pdf-password-protect) - Secure your PDF files with a strong password directly in your browser. Fast, free, and total data security with local processing.
- [PDF 加密上鎖：線上免費為 PDF 設密碼 (100% 安全免上傳)](https://toolkuai.com/zh-tw/pdf-password-protect) - 在瀏覽器本地為 PDF 設定密碼，安全、快速、免上傳。快速設定開啟密碼與權限保護，完全免費。
- [Unlock PDF Online: Remove Password Locally (100% Private)](https://toolkuai.com/pdf-unlocker) - Remove passwords and restrictions from your PDF files safely without uploading. Processes files directly in your browser.
- [PDF 解鎖工具：【免上傳】100% 隱私安全，本地移除密碼](https://toolkuai.com/zh-tw/pdf-unlocker) - 立即移除 PDF 密碼保護。本地處理，檔案不離開瀏覽器，保證極致隱私，無需安裝任何軟體。
- [PDF to JPG Converter - High Quality & No Upload Required](https://toolkuai.com/pdf-to-jpg) - Convert PDF pages to high-quality JPG or PNG images instantly in your browser. No file size limits and 100% secure.
- [PDF 轉 JPG 轉換器：高品質、免安裝、無檔案大小限制](https://toolkuai.com/zh-tw/pdf-to-jpg) - 將 PDF 頁面轉換為 JPG 圖像。支援批次處理，100% 安全隱私，檔案不經過伺服器處理。

## Why Choose ToolKuai?
- **Extreme Privacy:** Processing is done in your browser. We don't see or store your files.
- **No Waiting:** No uploading means instant results, even for large files.
- **No Account Required:** Start using our tools immediately without signing up.

## Technical Context (For LLMs)
- **Engine:** Optimized using WebGPU and WebCodecs API.
- **Processing:** 100% Client-side with WASM fallback.
- **Framework:** SvelteKit.