PDF Guide Tools
PDF operation reference and tools: merging, splitting, compressing, rotating, encrypting, watermarking, numbering, reordering and image conversion explained.
PDF 操作完全指南 (PDF Guide) is a frequently consulted reference for developers. Keeping the reference and ready-to-use tools on one page cuts the cost of switching back and forth. All tools below run locally, are free, and need no sign-up.
Related Tools
- 📎PDF MergerMerge multiple PDF files into one document in your browser. Drag files into order check page counts for each document merge then download one file all locally.
- ✂️PDF SplitterSplit a PDF by page ranges or extract individual pages. Preview page count, export selected pages as a new PDF. Pure browser processing powered by pdf-lib.
- 🔄PDF RotatorRotate PDF pages 90, 180 or 270 degrees. Select specific pages or rotate all, then download the rotated file instantly without re-rendering content in one.
- 🏷️PDF WatermarkAdd text watermarks to PDFs with custom font, size, color, opacity, rotation and position. Tile across all pages or place it in a corner, all browser-based.
- 🔒PDF EncryptAdd password protection to PDFs with user/owner passwords and permissions. Set separate open and permissions passwords then restrict printing copying Set.
- 🔓PDF DecryptRemove password protection from a PDF by entering its current password. Enter the current password to remove protection and download an unlocked copy;.
- 🔢PDF Page NumbersAdd page numbers to PDFs with custom position, font size, format and start page. Choose position font size format and start number Preview before saving.
- 🗑️PDF Page DeleterDelete specific pages from a PDF on a thumbnail grid and download the cleaned file. Pick pages visually or type a range and preview the count first in one pass.
- 🖼️PDF to ImageConvert each PDF page into a PNG or JPEG and download all pages as a zip or individually. Turn reports and scans into reusable pictures in the browser.
- 📦PDF CompressCompress PDF files with three quality levels, strip metadata and thumbnails to reduce size, and compare the file size and page quality before and after.
- 📋PDF Page OrganizerReorder or delete PDF pages on a thumbnail grid, then download the cleaned document. Drag thumbnails to reorder delete pages you do not need Merge files first.
- 📄PDF ExtractExtract specific pages from a PDF by page range, keep the original file untouched and download the selection as a new PDF, all in the browser. Ranges supported.
- ✍️PDF SignAdd electronic signatures to PDF documents. Draw with mouse or touch, or upload a signature image, then customise the position, size and target page in one.
- ✂️PDF CropCrop PDF pages to remove white margins or adjust visible area. Auto-detect margins or set custom values. Apply to all or selected pages. Trims scanned borders.