Guides
Short, practical how-tos for the problems people run into most with PDFs and images.
- How to Reduce PDF File Size Five practical ways to make a PDF smaller for email and upload forms, and how to choose the right one for your file.
- How to Compress a Photo to 20, 50 or 100 KB A simple step-by-step way to get a photo or signature under a strict size limit without making it unreadable.
- JPG vs PNG vs WebP: Which Format to Use A plain-English comparison of JPG, PNG and WebP: quality, file size, transparency and compatibility, and when to pick each.
- How to Merge PDF Files in the Right Order A short guide to combining several PDFs into one: getting the order right, fixing sideways pages, and avoiding the common problems.
- How to Compress a PDF to a Specific Size How to get a PDF under a size limit such as 100 KB, 500 KB or 1 MB: what works, what it costs in quality, and what to do if it will not fit.
- How to Resize a Photo for Online Forms Forms ask for photos in pixels, kilobytes or centimetres. Here is what each means, how to convert between them, and the order to do things in.
- Are Online PDF Tools Safe? How to Check Many free PDF sites upload your document to a server. Here is how to tell which ones do, and how tools that run in your browser keep files private.
- How to Convert WebP to JPG or PNG Why pictures you save from websites turn out as WebP, why some apps and forms reject them, and how to convert them to JPG or PNG in seconds.
- Convert Word to PDF and Keep the Fonts Why fonts and spacing sometimes shift when a Word file becomes a PDF, what to check first, and how to get a PDF that looks like the document.
- Convert a PDF to an Editable Word File What a PDF to Word conversion can and cannot do, why scanned PDFs are different, and how to get the cleanest result you can edit.
- Password Protect or Unlock a PDF What a PDF password actually protects, how to add or remove one safely, and how to choose a password you will not lose.
- Convert a PDF Statement or Table to Excel Get the rows of a PDF statement, invoice or report into a spreadsheet you can sort and add up, and what to check so the numbers are right.
- How to Sign a PDF Without Printing It Fill in a form and sign it on your phone or computer: how to make a signature that looks real, where to put it, and what kind of signature a form accepts.
- Scan Documents with Your Phone Camera Get a clean, straight scan of a form or certificate from a phone photo: how to take the picture, fix the corners, and save a PDF that is small enough to upload.
- How to Rearrange the Pages of a PDF Put the pages of a PDF in the right order, turn sideways pages, remove blank or private ones, and make sure the removed pages are really gone.
- How to Black Out Text in a PDF the Right Way A black box over text only hides it. How to remove names, numbers and other private details from a PDF for good, and how to check that it worked.
- How to Edit a PDF: Add Text and Fix Mistakes Fill in a form, correct a wrong date, add a logo or mark up a document with arrows and highlights: what a PDF editor in your browser can and cannot change.
- How to Make a Scanned PDF Searchable (OCR) A scan is only a picture of text. How OCR turns it into a PDF you can search, select and copy from, which languages work, and how to get an accurate result.
- How to Copy Text from an Image or Screenshot Get the words out of a photo, a screenshot or a scan, in English, Hindi and other languages: how it works, how to get an accurate result, and what to check.
- How to Compare Two PDFs and Find Changes A contract or report came back changed. How to see exactly which words were added, removed or changed between two PDFs, and what to check besides the text.
- How to Open and Convert iPhone HEIC Photos Why an iPhone photo will not open or upload, how to turn HEIC into JPG on any device, and how to make your iPhone save JPG from now on.
- How to Make a UPI QR Code to Get Paid Make a QR code from your UPI ID that any UPI app can scan: with or without an amount, how to print it, and how to check that it works before customers use it.
- How to Share Your Wi-Fi with a QR Code Let guests join your Wi-Fi by scanning a QR code instead of typing a long password: how to make it, how phones scan it, and where to put it.
- How to Mask Your Aadhaar Before Sharing It Hide the first 8 digits of your Aadhaar and its QR code before you send a copy to a hotel, a college or an online form, and what to check before you send it.
- Make Passport Size Photos at Home Take a good portrait with a phone, cut it to a passport size, and print a whole sheet of copies yourself. Step by step, with the mistakes to avoid.
- Exam Form Photo and Signature Size Guide How to read the photo and signature rules in a form notice, and how to meet them with a resize and a compress: a method that works for any form.
- Remove Location Data from Your Photos What a phone photo quietly carries (the place, the time, the phone), when that matters, how to remove it, and how to stop your camera saving it.