GuidePDF
How to Merge PDF Files Online for Free (Step by Step)
Combine several PDFs into one file in your browser: put them in order, merge in seconds and download. Free, no sign-up, and your files are never uploaded.
5 min read
Daily Guides
One guide for one tool. Each one explains what the tool does, who it is for, how to use it step by step, what you gain from it, where its limits are and which mistakes to avoid. New guides are added regularly until every tool has one.
5 guides so far, covering 5 of our 45 tools.
Newest first
Try it: Merge PDF
GuidePDFHow to Compress a PDF and Reduce Its File Size for Free
Shrink a heavy PDF so it fits an email or upload limit. Choose a level, see the size saved, and learn when compression helps and when it makes a PDF bigger.
5 min read
Try it: Compress PDF
GuideImagesHow to Resize a Photo and Signature to Exact Size and KB
Resize a passport photo or signature to the exact pixels and maximum KB a form asks for. Step-by-step guide to fit modes, KB limits and common upload errors.
5 min read
Try it: Photo & Signature Resizer
GuideFinanceHow to Calculate EMI for a Home, Car or Personal Loan
Learn how EMI is calculated, see worked examples for home loans, and use a free EMI calculator to compare tenures, total interest and your monthly budget.
5 min read
Try it: EMI Calculator
GuideFinanceSIP Calculator: How to Estimate Your Monthly Investment Growth
See how a monthly SIP can grow with compounding. Worked examples, how the yearly step-up works, and the honest limits of any return estimate.
5 min read
Try it: SIP Calculator
Looking for something else? Read the blog or browse all free tools.