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Every PDF tool you need, supercharged.
Merge, split, compress, convert, edit and sign PDFs in seconds. Everything runs right in your browser, so your files never leave your device.
- 100% free
- No uploads, fully private
- Works on any device
Pick a tool, get it done
Popular tools up front, with every other PDF job one click away.
合併PDF
將多個PDF檔案合併成一個檔案。免費線上PDF合併器，支援拖放重新排序。
拆分PDF
將PDF檔案拆分成多個檔案。提取特定頁面或按頁面範圍分割。
壓縮PDF
減小PDF檔案大小同時保持品質。免費線上PDF壓縮器，生成更小的檔案。
PDF轉Word
將PDF轉換為可編輯的Word文檔（DOCX）。保留原始布局、格式和圖像。
PDF轉PowerPoint
將PDF轉換為PowerPoint (PPTX)演示文稿。每一頁轉為高品質幻燈片。
PDF轉Excel
將PDF轉換為Excel表格。將表格提取為XLSX格式。
Word轉PDF
將Word文檔（DOCX）轉換為PDF。保留格式和布局。
PowerPoint轉PDF
將PowerPoint演示文稿（PPTX）轉換為PDF。保留幻燈片內容便於分享。
Excel轉PDF
將Excel電子表格（XLSX）轉換為PDF。保留表格和數據。
編輯PDF
線上編輯PDF檔案。新增文字、圖像、註解、高亮和形狀到您的檔案。
PDF轉JPG
將PDF頁面轉換為JPG圖像。高品質提取，可自定義分辨率。
JPG轉PDF
將JPG圖片轉換為PDF。將多個JPG檔案合併成一個PDF檔案。
簽署PDF
為PDF檔案新增電子簽名。繪制、輸入或上傳您的簽名。
新增水印
為PDF檔案新增文字或圖像浮水印。保護和品牌化您的文件。
旋轉PDF
旋轉PDF頁面。將頁面旋轉90、180或270度。
整理PDF
重新排序、複製和刪除PDF頁面。拖放重新整理您的檔案。
加密PDF
為PDF文件新增密碼保護。新增加密並設置權限。
解密PDF
從PDF文件中刪除密碼。解鎖受密碼保護的文檔。
頁碼
為PDF檔案新增頁碼。自定義位置、格式和起始編號。
OCR PDF
使用OCR使掃描的PDF可搜尋。從圖像和掃描文檔中提取文本。
PDF轉PDF/A
將普通PDF轉換為適合長期存檔的PDF/A格式。符合ISO標準。
修覆PDF
修覆損壞的PDF文件。恢復和修覆受損文檔。
比較PDF
比較兩個PDF文檔。高亮顯示版本之間的差異。
PDF塗黑與馬賽克脫敏
對PDF機密信息進行物理塗黑遮蓋、馬賽克打碼或高斯模糊。物理像素級不可逆銷毁底層文字，深度清除元數據，純本地離線處理。
How PDFCharger works
- 1
Choose your files
Click "Select files" or drag & drop PDFs, images or Office documents onto the page.
- 2
Pick a tool
Merge, compress, convert, sign — set any options you need. Processing happens instantly on your device.
- 3
Download the result
Save your finished file straight away. Nothing is stored or uploaded to any server.
The PDF toolkit that never uploads your files
Most online PDF sites send your documents to their servers. PDFCharger does the work inside your browser using WebAssembly, so contracts, statements and IDs stay on your device.
100%隱私
所有處理都在您的瀏覽器中進行。您的檔案永遠不會離開您的裝置。
Lightning fast
No upload or download queues — files are processed locally at full speed.
完全免費
無需註冊，無限制，無隱藏費用。
Works anywhere
Windows, Mac, Linux, iPhone or Android. All you need is a modern browser.
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Frequently asked questions
Is PDFCharger really free?
Yes. Every tool is free to use with no sign-up, no watermarks and no daily limits.
Are my files uploaded anywhere?
No. PDFCharger processes files entirely inside your browser. Your documents never leave your device, which makes it safe for confidential files.
Is there a file size limit?
There is no fixed limit. Very large files depend on your device's memory, but typical documents of hundreds of pages work smoothly.
Does it work on my phone?
Yes. PDFCharger works in any modern browser on desktop, tablet and mobile — no app to install.
Can I convert Word, Excel and PowerPoint files?
Yes. You can convert Office documents to PDF and convert PDFs back to Word, Excel, PowerPoint, images and more.
Ready to charge through your PDFs?
Free, private and instant. Drop a file and pick a tool.