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PDF ↔ Office, images, HTML, Markdown, plain text, CSV, and OCR.
Combine, split, reorder, extract, interleave, collect, rotate, and compare text.
Annotations, stamps, forms, crop, resize, page numbers, redaction, and image swap.
Shrink files, repair structure, validate, PDF/A, passwords, permissions, metadata, signatures.
N-up, booklet, posters, cuts, zoom, grids, page boxes, viewer defaults.
Portfolios, JSON templates, fonts, bookmarks import/export.
All tools
60 tools available
Merge PDF
利用可能Combine multiple PDFs into one clean document.
Split PDF
利用可能Extract pages using custom ranges.
Compress PDF
利用可能Reduce PDF size while keeping readable quality.
Compare PDF
利用可能Diff two PDFs by extracted text: see what changed between versions (text layer only; scans need OCR first).
PDF to Word
利用可能Convert PDF files to DOCX with text or visual page modes.
Word to PDF
利用可能Convert DOC or DOCX files into high-quality PDFs.
PDF to PowerPoint
利用可能Turn PDF pages into editable PPT slides.
PDF to Excel
利用可能Extract PDF tables into XLSX spreadsheets.
PDF to JPG
利用可能Convert PDF pages into JPG images.
JPG to PDF
利用可能Convert JPG images into PDF documents.
Images to PDF
利用可能Convert PNG, JPEG, WebP, TIFF, or BMP images into one PDF.
Markdown to PDF
利用可能Render a Markdown (.md) file to a styled PDF.
PDF to PNG
利用可能Export PDF pages as lossless PNG images (ZIP).
PDF to SVG
利用可能Rasterize PDF pages to SVG for diagrams and slides.
PDF to Text
利用可能Extract plain text with page breaks (form feeds between pages).
PDF to CSV
利用可能Best-effort table extraction from PDF text layout into rows (CSV). Results vary by PDF layout.
Rotate PDF
利用可能Rotate all pages or selected page ranges.
Unlock PDF
利用可能Remove password protection: enter the open password and download an unencrypted PDF.
Protect PDF
利用可能Add AES-256 password protection to PDFs.
Add Watermark
利用可能Stamp text or image watermarks on PDF pages.
Add Page Numbers
利用可能Automatically number pages in your PDF.
Organize PDF
利用可能Reorder, delete, and duplicate PDF pages.
Edit PDF
利用可能Text-first editor for smooth line-level edits (redact + replace), plus a full advanced editor: markup, stamps, redactions, links, and forms—local in your browser.
HTML to PDF
利用可能Convert URLs or raw HTML into printable PDFs.
Crop PDF
利用可能Set crop boxes to trim page margins using a rectangle in points.
Resize PDF
利用可能Resize pages to a paper size or scale factor.
Extract PDF pages
利用可能Save each selected page as its own PDF in a ZIP.
Extract images from PDF
利用可能Export embedded images from PDF pages into a ZIP.
Edit PDF metadata
利用可能Set title, author, subject, and keywords in the document info dictionary.
Validate PDF
利用可能Check whether a PDF passes structural validation.
PDF permission editor
利用可能Encrypt with AES-256 and set printing, copying, editing, and form rights separately from passwords.
Remove PDF metadata
利用可能Strip document info, XMP, and common hidden properties for privacy hardening.
PDF to PDF/A
利用可能Convert to PDF/A-1b, PDF/A-2b, or PDF/A-3b for long-term archival.
Redact PDF
利用可能Permanently burn black rectangles over selected areas by rasterizing affected pages.
Validate PDF signatures
利用可能Check whether digital signatures in the PDF are cryptographically valid.
Repair PDF
利用可能Rewrite and optimize the PDF to fix common structural issues.
Export PDF bookmarks
利用可能Download outline / table of contents as JSON (same format as our import tool).
Remove PDF bookmarks
利用可能Strip the outline tree from a PDF.
Import PDF bookmarks
利用可能Apply a bookmark JSON file to a PDF (e.g. after editing export).
N-up PDF
利用可能Arrange multiple pages per sheet (2-up, 4-up, 9-up, etc.).
Booklet PDF
利用可能Create booklet imposition for duplex printing.
Stamp PDF
利用可能Add a foreground text or image stamp (distinct from tiled watermark).
Fill PDF form
利用可能Fill AcroForm fields using a JSON data file (export field names from a similar PDF first).
OCR PDF
利用可能Add a searchable text layer to scanned PDFs using server-side OCR when available.
N-down PDF
利用可能Split each page into N smaller tiles (inverse of n-up) — great for scanned spreads.
Poster PDF
利用可能Tile a page across multiple sheets for large-format printing (e.g. A4 poster tiles).
Cut PDF
利用可能Split pages along horizontal and/or vertical cut lines into separate PDFs.
Zoom PDF
利用可能Magnify or shrink page content, or add/remove margins (pdfcpu zoom).
Page grid PDF
利用可能Rearrange pages into a rows×cols browsing grid optimized for screen reading.
Page box editor
利用可能Set MediaBox, CropBox, BleedBox, TrimBox, and ArtBox for print production.
Viewer preferences
利用可能Control toolbar, window, duplex, and other PDF open behavior via JSON.
Page layout & mode
利用可能Set initial page layout (single, two columns, two pages) and page mode (outlines, thumbs, full screen).
Interleave PDFs
利用可能Merge two PDFs with alternating pages (ZIP mode) — useful for double-sided scans.
PDF portfolio
利用可能Embed files into a PDF 2.0 portfolio (collection) envelope.
Collect pages
利用可能Build a new PDF from an explicit page sequence (e.g. 3,1,5,2) — flexible reordering.
Replace embedded image
利用可能Swap an embedded image XObject by object number or by page + resource id.
Create PDF from JSON
利用可能Generate a PDF from a pdfcpu JSON template (text, images, shapes, forms).
Fonts & cheatsheets
利用可能Install TTF/TTC fonts for stamps, list fonts, and download glyph cheatsheet PDFs (ZIP).
Flatten PDF
利用可能Bake annotations and form fields into static page content.
Header & Footer PDF
利用可能Add repeating header and/or footer text to every page.
ブログ記事
PDFのヒント、プライバシーガイド、ワークフローの最適化。
