Guides
Every guide, filed by tool.
Guides for the jobs these tools do, written and checked against the live tool by the person who builds them.
12 guides · 5 tasks · updated 5 August 2026
Build notes
Agent Orchestration: A Complete Guide
Agent orchestration is the coordination of multiple agents, tools and workflows toward one goal. It decides who works, on what, when, and how the results come back together.
Agentic AI · 8 min read
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How to password protect a PDF properly
Open Protect PDF, type the password twice, and download the encrypted copy. It uses AES-256, which current Acrobat, Preview, and major browser viewers support. Its practical strength depends on the password you choose.
Why this one
Encryption is easy to add and easy to misunderstand, and the misunderstanding is the expensive part.
Main guide · protect-pdf · 5 min read
Recently added
- What is the difference between splitting and extracting PDF pages?Extracting pulls selected pages out into one new PDF.5 Aug 2026
- How do I get just one page out of a PDF?Open Split PDF, upload the document, and type the page number on its own, such as 7.4 Aug 2026
- How do I change text that is already in a PDF?Open Edit PDF, upload your file, choose Edit text, and click the line you want to change.4 Aug 2026
- Why is my PDF so big?A PDF is usually large because it contains scanned pages, high-resolution photographs, or other image-heavy content.3 Aug 2026
- How do I compress a scanned PDF without making it unreadable?Open Compress PDF, upload the scan, and start with Balanced.3 Aug 2026
- How do I split a PDF into separate pages?Open Split PDF, select the page numbers or ranges, and choose Separate files.3 Aug 2026
- How do I get my PDF under a 1 MB upload limit?Open Compress PDF, choose Smaller file, and check the result before sending it.28 Jul 2026
- Why does my merge fail with a password error?One of the files needs a password to open, and the merge stops rather than guessing.28 Jul 2026
- Is it safe to upload my PDF to a free online tool?A server-side tool copies your file to a server, processes it, and retains it until its deletion rule runs.28 Jul 2026
- How do I merge PDFs on my iPhone?Open Merge PDF in Safari, add the PDFs with the Files picker, arrange them in the order you want, and download the combined file.28 Jul 2026
- How do I combine several PDFs into one file?Open Merge PDF, add your files, drag them into the order you want, and download the combined file.28 Jul 2026
PDF /5
Merge, split, convert, compress. The whole paperwork drawer.
- Merge PDFsHow do I combine several PDFs into one file?4 guides4 guides
- Split and extract PDF pagesHow do I split a PDF into separate pages?3 guides3 guides
- Compress PDFsHow do I get my PDF under a 1 MB upload limit?3 guides3 guides
- Edit text and fill PDFsHow do I change text that is already in a PDF?1 guide1 guide
- Password protect and unlock PDFsHow do I put a password on a PDF?1 guide1 guide