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PDF 旋轉
順時針、逆時針或 180° 旋轉 PDF 頁面 — 修復顛倒的掃描件、切換橫豎版,本地瀏覽器直接完成。
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批次旋轉多頁 PDF — 批次頁面旋轉
Need to rotate different pages of a PDF in different directions? Our browser-side tool lets you set per-page rotation in a single pass, then saves a single rotated PDF. Perfect for fixing duplex scans where odd and even pages got scanned upside-down, or for batch re-orienting photo albums. No upload, no sign-up, all processing local.
100% FreeNo UploadNo Sign-upPer-Page Rotation
使用步驟
- Upload Multi-Page PDF: Drop your PDF (any size, any page count). The tool loads all pages into a thumbnail grid for selection.
- Select Pages & Rotation: Click multiple page thumbnails to select them. Then choose 90° clockwise, 90° counter-clockwise, or 180° for the selected set. You can repeat this with different selections to apply mixed rotations in one pass.
- Apply to All: Click 'Apply to selected pages'. pdf-lib modifies each page's rotation dictionary independently. Large documents (500+ pages) typically process in under 5 seconds.
- Download & Verify: Save the rotated PDF. Each page opens at the orientation you set. Original content stays intact, only the rotation metadata is changed.
為何選擇此工具
- 100% Local Processing: Files are processed entirely in your browser using JavaScript — never uploaded to any server.
- No Limits: No file count or file size restrictions. Process as many files as your device can handle.
- No Sign-up: Free forever, no account needed, no email required. Open the page and start.
- Private by Design: Nothing is sent to any server. Close the tab and your files are gone forever.
常見問題
Can I rotate multiple PDF pages at once?
Yes — our tool supports per-page rotation in a single pass. Click page thumbnails to select a subset, choose a rotation angle (90° CW, 90° CCW, or 180°), then apply. Repeat for other selections if you need mixed rotations. The result is saved as one rotated PDF.
How do I rotate odd and even pages differently?
Common for duplex scans where one side got scanned upside down. Select the odd-numbered pages, apply 180°, then select even-numbered pages and apply 0° (no rotation). Or use the 'invert current selection' shortcut if your tool supports it. Our batch mode handles 500+ pages in seconds.
Can I rotate all pages by the same angle?
Yes — use the 'rotate all pages' button. Common use cases: convert a landscape-only document to portrait, or fix a document where every page was scanned in the wrong orientation. One click rotates all pages uniformly.
Will rotation work on large PDFs?
Yes — pdf-lib handles large documents efficiently because rotation only modifies a small metadata dictionary per page (no content re-rendering). Documents with 500+ pages typically process in under 5 seconds. Files larger than the browser's memory limit (rare, ~2GB) won't load.
Can I rotate a PDF and keep text searchable?
Yes — rotation modifies only the page orientation metadata. Text layers, annotations, form fields, and bookmarks remain searchable and selectable. For OCR (creating a searchable text layer from a scanned PDF), use our separate OCR PDF tool.
Does rotation affect PDF quality?
No. Rotation modifies the page rotation dictionary — pdf-lib does not re-render, recompress, or alter content. Fonts, images, vector graphics, and text stay byte-identical except for the orientation metadata.
Is there a daily limit?
No. Our tool has no daily limit, no per-file fee, and no sign-up. Use it as often as you need. The only limit is your browser's available memory for very large files.