Free PDF Tools Online — Merge, Split, Compress, Convert, OCR & More | pdfbuilder.app
Watermark selected pages
Select two or more files to merge into a single PDF. Drag to reorder.
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Split a PDF into multiple files. Select a file, then pick a split mode.
Reduce PDF file size by compressing images and streams.
Password-protect a PDF from opening or editing.
Remove password protection from a PDF.
Add a diagonal text watermark to every page.
Rotate pages. Select a file, choose pages, then pick a rotation angle.
Select pages to extract into a new PDF.
Select pages to remove from the PDF.
Convert PDF pages to individual image files.
Combine image files into a PDF document.
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Paste HTML to convert it to a PDF document.
Convert Word, Excel, PowerPoint, RTF, EPUB or Markdown documents to PDF.
Add page numbers to every page of a PDF.
Convert a PDF to PDF/A format for long-term archiving.
Attempt to repair a damaged or corrupted PDF.
Flatten form fields and annotations into static page content.
Crop pages by trimming margins (values in points, 72pt = 1 inch).
Drag and drop page thumbnails to reorder them, then apply.
Overlay one PDF onto another page-by-page (useful for letterheads).
View metadata, dimensions, and properties of a PDF.
Extract all text content from a PDF and save as a .txt file.
Run OCR on a scanned or image-based PDF. Produces a searchable PDF with invisible text overlay, or a plain text file.
Generate a QR code from text or a URL and save as a PDF.
Add a text annotation (comment) to a specific page location.
Permanently black out a rectangular region on a page.
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Upload a PDF or image to get started — every tool runs in your browser session, no signup needed.
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