STM PDF Tools
Organize
Optimize
Convert to PDF
Convert from PDF
Edit
Security
All tools
Merge PDF
Combine multiple PDFs into one file in the order you want.
Merge PDF
Combine multiple PDFs into one file in the order you want.
Split PDF
Split a PDF by page ranges, every N pages, or into single pages.
Remove pages
Delete the pages you don't need from a PDF.
Extract pages
Pick pages from a PDF and save them as a new PDF.
Organize PDF
Sort, rotate, delete, duplicate pages and add blank pages — visually.
Rotate PDF
Rotate all or selected pages. Several PDFs at once.
Compress PDF
Reduce file size while keeping the best possible quality.
Repair PDF
Recover data from a damaged or corrupt PDF.
OCR PDF
Make scanned PDFs searchable and selectable (text recognition).
JPG to PDF
Convert JPG, PNG, WEBP and other images to PDF.
Word to PDF
Convert DOC and DOCX files to PDF.
PowerPoint to PDF
Convert PPT and PPTX slideshows to PDF.
Excel to PDF
Convert Excel spreadsheets to PDF.
HTML to PDF
Convert a web page (URL) or an HTML file to PDF.
PDF to JPG
Convert each PDF page to a JPG/PNG image, or extract the images inside.
PDF to Word
Convert PDF to an editable Word (DOCX) document.
PDF to PowerPoint
Turn each PDF page into a PowerPoint slide (PPTX).
PDF to Excel
Pull tables out of a PDF into an Excel spreadsheet.
PDF to Text
Extract all text from a PDF into a plain .txt file.
PDF to PDF/A
Convert to PDF/A, the ISO standard for long-term archiving.
Add page numbers
Add page numbers to a PDF with your choice of position and style.
Add watermark
Stamp text or an image over your PDF pages.
Crop PDF
Trim page margins automatically or by exact measurements.
Sign PDF
Draw or type your signature and place it on the document.
Redact PDF
Permanently black out sensitive words, emails and phone numbers.
Compare PDF
Compare two PDFs and see every text difference side by side.
Unlock PDF
Remove the password and restrictions from a PDF.
Protect PDF
Encrypt your PDF with a password (AES-256).