Guides
Clear, step by step help for everyday PDF and image jobs.
Compress PDF · 4 min read
How to Compress a PDF Without Making It Unreadable
Learn why PDFs get so large, how to shrink one for email or upload forms, and how to keep it readable.
Merge PDF · 3 min read
How to Merge PDF Files Into One Document
A simple way to combine several PDFs into one file in the right order, from your phone or computer.
HEIC to JPG · 4 min read
How to Open HEIC Photos on Windows, Android or the Web
Why iPhone photos sometimes will not open elsewhere, and how to convert HEIC to JPG in seconds.
Resize Image to KB · 4 min read
How to Reduce a Photo to a Specific Size in KB for Online Forms
Many job, exam and government forms ask for a photo under 50 KB or 100 KB. Here is how to meet the limit without a blurry result.
Sign PDF · 4 min read
How to Sign a PDF on Your Phone or Computer
Add a visible signature to a PDF without printing it. Includes a note on when a simple signature is enough.
Redact PDF · 4 min read
How to Redact a PDF So Hidden Information Is Really Gone
Drawing a black box over text is not always enough. Learn how to hide private details in a PDF properly.
JPG to PDF · 3 min read
How to Convert JPG Images to a PDF
Turn photos, scans and screenshots into one tidy PDF with the page size you want.
Split PDF · 3 min read
How to Split a PDF or Extract Just the Pages You Need
Cut a long PDF into parts, or pull out only a few pages. Learn the difference between splitting and extracting.
Convert from JPG · 4 min read
JPG vs PNG vs WebP: Which Image Format Should You Use?
A plain explanation of the three most common image formats and when each one is the right choice.
Rotate PDF · 3 min read
How to Fix Sideways or Upside Down Pages in a PDF
Rotate every page, only odd or even pages, or just the pages you choose, and reorder pages if needed.
Add Page Numbers · 3 min read
How to Add Page Numbers to a PDF
Number the pages of a report, assignment or document bundle, choose the position, and start from any number.
Watermark PDF · 3 min read
How to Add a Watermark to a PDF
Stamp text such as CONFIDENTIAL or DRAFT across your PDF pages, with control over colour, size and direction.
Crop PDF · 3 min read
How to Crop PDF Pages and Trim White Margins
Cut away blank borders or unwanted edges from a PDF by entering margins in millimetres.
PDF Forms · 4 min read
How to Fill In a PDF Form Online
Complete a fillable PDF form on your phone or computer, and lock the answers so they cannot be changed.
PDF to JPG · 3 min read
How to Convert PDF Pages to JPG Images
Save each page of a PDF as a picture you can share, post or put in a presentation.
Compare PDF · 4 min read
How to Compare Two PDF Files and See What Changed
Find added and removed text between two versions of a contract, report or draft.
Organize PDF · 3 min read
How to Reorder, Rotate and Delete PDF Pages in One Place
Use page thumbnails to move pages, turn them the right way and remove the ones you do not need.
Compress Image · 4 min read
How to Compress an Image Without Losing Noticeable Quality
Make photos smaller for email, uploads and websites by choosing the right quality, size and format.
Resize Image · 4 min read
How to Resize an Image Without Making It Blurry
Change an image's width and height by pixels or percent while keeping the picture in proportion.
Crop Image · 3 min read
How to Crop a Photo Into a Square Profile Picture
Crop any photo to a square or other ratio, and choose exactly how much to trim from each edge.
Watermark Image · 3 min read
How to Add a Text Watermark to Your Photos
Put your name or brand on photos before you share them, with control over position, colour and strength.
Photo Editor · 4 min read
How to Fix a Dark Photo: Brightness, Contrast and Colour
Quick, simple edits to brighten a photo, add contrast, adjust colour, or give it a black and white look.