Merge PDF
merge multiple PDF files into one downloadable document
Upload files, process PDFs in-browser, and download the output.
Browser-side PDF utilities for merge, split, extract, rotate, convert, and metadata workflows.
merge multiple PDF files into one downloadable document
split PDF pages into separate downloadable files by range
apply browser-side PDF optimization and export a smaller file when possible
convert uploaded JPG, PNG, or WebP images into a PDF
render PDF pages into downloadable JPG images in the browser
rotate selected PDF pages and export an updated file
remove selected pages from a PDF and download the updated file
reorder PDF pages by page sequence and export a new file
unlock password-protected PDFs when a valid password is provided
add text watermark overlays to selected PDF pages
extract selected page ranges into a new PDF
add visible page numbers to PDF pages
read and display metadata fields from uploaded PDFs
count total pages in an uploaded PDF file
Start with one calculator, review the assumptions shown on the page, then compare with related tools for scenario planning.
Yes. Online Tools and Calculators is free and designed for practical educational and planning use.
Yes. The pages are built mobile-first with large fields, clear labels, and keyboard-friendly controls.