All Guides
How-tos and troubleshooting for each tool.
Basics (photos and PDFs)
- How to Combine Photos into One PDF on iPhone
- How to Combine Multiple Images into One PDF (Windows, Mac, Android)
- Tips for Photographing Documents Clearly and Turning Them into a PDF
- What to Do When a PDF Made from Photos Is Too Large
- Checklist Before Submitting Documents as a PDF
- How to Save Receipts as PDFs with Your Phone
- JPEG vs. PDF: Which Should You Submit?
Photos to PDF
- How to Make a PDF from Photos at A4 Size
- How to Keep a PDF Made from Photos Under 2 MB
- How to Fix the Page Order of a Photo PDF
- Fixing Photos That Appear Sideways or Upside Down in a PDF
- Notes on Making a PDF from Photos of ID Cards
- Why Text Looks Blurry in a Photo PDF and How to Fix It
- Why PDF Conversion Without Uploading Your Photos Is Safer
Merge PDFs
- How to Combine Several PDFs into One (Phone and Computer)
- How to Choose the Order When Merging PDFs and Rearrange It Later
- What to Do When a Merged PDF Becomes Too Large
- Why a PDF Can't Be Merged or Shows an Error
- Tips for Combining Job Application Documents into One PDF
- How to Combine Photos and PDFs into One File
- Safety Checkpoints When Choosing a PDF Merge Tool
Extract or Delete PDF Pages
- How to Extract Only the Pages You Need from a PDF
- How to Delete Unneeded Pages from a PDF
- Tips for Removing Blank Pages from a Scanned PDF
- How to Submit a PDF Without Pages Containing Personal Information
- Reducing PDF Size by Cutting Pages
- Extract Pages vs. Split PDF: What's the Difference?
- How to Pull Out Just Some Pages of a PDF for Printing
Compress PDF
- How to Compress a PDF to Fit a Size Limit
- What to Do When a PDF Is Too Big to Attach to an Email
- Why Text Can't Be Selected in a Compressed PDF
- Choosing Quality When Compressing: Small, Normal or High
- Why Scanned PDFs Are Heavy and How to Lighten Them
- Typical Upload Limits on Application Forms and How to Fit Within Them
- How PDF Compression Works Without Sending Your File Out
PDF to Images
- How to Turn a PDF into JPEG or PNG Images
- JPEG or PNG: Which Is Better When Converting a PDF to Images?
- Turning a PDF Page into an Image for Social Media or Slides
- Tips for Submitting PDF Documents as Images
- Why a PDF Won't Convert to Images and What to Do
- A Safe Way to Convert PDFs to Images Without Sending Them Out
- Choosing the Size When Converting PDF to Images: Small, Normal or Large
Convert Image Format (JPG, PNG, WebP)
- How to Convert Images between JPG, PNG and WebP
- How to Make PNG Images Lighter by Converting Them to JPG
- How to Convert WebP Images to JPG or PNG
- What to Do When a Form Rejects Your Image Format
- JPG, PNG and WebP Explained for Beginners
- Notes on Handling Transparent-Background Images (PNG to JPG)
- How to Convert JPG to PNG and When It's Worth It
Rotate & Reorder PDF Pages
- How to Rotate PDF Pages to Fix Their Orientation
- How to Rearrange the Pages of a PDF
- The Best Order for Tidying a PDF: Rotate, Reorder, Delete
- Why Scanned PDFs Come Out Sideways and How to Fix Them
- How to Fix the Orientation of a PDF Made on iPhone
- Pre-Submission PDF Checklist: Orientation, Order and Page Count
- How to Tidy a PDF with Mixed Portrait and Landscape Pages
Add Page Numbers to PDF
- How to Add Page Numbers to a PDF
- Skipping the Cover and Starting at 1 on the Second Page
- When a Submission Needs Page Numbers
- Choosing the Position and Style of Page Numbers
- Adding Continuous Page Numbers After Merging PDFs
- What to Do When Page Numbers Are Hard to See or Overlap
- How to Change the Starting Page Number
Compress & Resize Images
- How to Reduce Image File Size (Compress and Resize)
- How to Get an Image Under 1 MB or 500 KB
- Recommended Image Dimensions (px) by Use
- How to Lighten Photos When Sending Many by Email
- Adjusting File Size and Dimensions of ID and Portrait Photos
- Does Compressing Images Lower Quality? How to Keep Loss Unnoticeable
- How to Compress Images Without Sending Them Anywhere
Convert HEIC to JPG
- How to Convert iPhone HEIC Photos to JPG
- What to Do When HEIC Images Won't Open on Windows
- What to Do When a Form Won't Accept HEIC Photos
- Setting iPhone to Shoot JPG from the Start
- HEIC vs. JPG: What's the Difference and Which Should You Use?
- How to Turn iPhone HEIC Photos into a PDF
- Tips for Converting Many HEIC Photos at Once
Split PDF
- How to Split a PDF (One Page Each or by Ranges)
- How to Write Ranges for Splitting a PDF (e.g. 1-3, 4-5, 6-)
- How to Split a PDF into One File per Page
- How to Split a PDF Every N Pages (e.g. Two at a Time)
- Separating Several Documents Scanned into One PDF
- Splitting a Large PDF So It Can Be Sent by Email
- Splitting a PDF and Reassembling Only the Parts You Need
Crop & Rotate Image
- How to Crop an Image (Choose an Area and Save)
- How to Crop an Image into a Square (1:1), for Social Media Icons Too
- How to Rotate a Sideways Photo
- How to Cut Away Unneeded Parts of a Photo (Documents and ID Photos)
- Choosing an Aspect Ratio: 1:1, 4:3, 3:2, 16:9 and 3:4
- Trim First: Cropping Before Shrinking an Image
- How to Crop Photos Without Sending Them Anywhere
Extract Text from PDF
- How to Copy and Extract Text from a PDF
- Why Text Can't Be Extracted from a PDF (Scanned PDFs)
- How to Copy PDF Text into Word or Notes
- What to Do When Extracted PDF Text Is Garbled
- Tips for Using PDF Text for Study and Reports
- Should You Add Page Markers? Choosing Between On and Off
- How to Extract PDF Text Without Sending the File Anywhere
Create a Receipt PDF
- How to Make a Receipt PDF (Works on a Phone)
- What to Put on a Receipt: Six Essential Items
- Do Receipts Need an Invoice Registration Number?
- Is a Revenue Stamp Unnecessary for Electronic Receipts?
- Etiquette and Tips for Emailing an Electronic Receipt
- What to Do When a Receipt Has a Mistake or Is Lost
- Receipt, Till Receipt, Invoice and Proof of Payment: What's the Difference?
Create a Resume PDF (Japanese Rirekisho)
- How to Make a Resume PDF for Free (Works on a Phone)
- How to Write Education and Work History on a Japanese Resume
- Resume ID Photos: Size, How to Take One, and Using a Phone Photo
- Writing the Motivation and Self-Introduction: A 3-Step Approach
- Etiquette for Emailing a Resume PDF
- Handwritten or Typed Resume: Which Is Better?
- Protecting Personal Data When Making a Resume Online
Create a Timetable / Weekly Schedule
- How to Make a Timetable as PDF or Image (Free, Works on a Phone)
- Planning a University Timetable: Six Things to Check Before Registering
- How to Make a Weekly Schedule: See Work, Study and Rest at a Glance
- How to Print a Timetable or Use It as a Phone Wallpaper
- Making a Readable Timetable: Colors, Text Length and Space
- Using Free Periods: Build a Study Plan from Your Timetable
- Sharing a Timetable with Friends and Updating It After Changes
Create Business Cards / Name Cards
- How to Make and Print Business Cards for Free (Works on a Phone)
- Business Card Size and Tips for Printing and Cutting at Home or a Store
- What Students and Clubs Should Put on a Card, and What Not to Overshare
- Tips for a Readable Business Card: Text Size, Color and Space
- How to Make Event Name Tags in Bulk from a List
- Basic Business Card Etiquette: Six Points Students Should Know
- Protecting Personal Data on Cards and Tags: What to Include and Who Gets Them
Create a QR Code (URL, Wi-Fi)
- How to Make a QR Code for Free (URL, Works on a Phone)
- Making a Wi-Fi QR Code So Guests Can Connect Without Typing
- Tips on Size, Margin and Color When Printing a QR Code
- How to Put a QR Code on a Flyer, Business Card or Poster
- Why a QR Code Won't Scan and What to Do
- Using QR Codes Safely: Fake Codes and Cautions for Creators
- PNG, SVG or PDF: Which Format Should You Save a QR Code In?
Combine PDF Pages onto One Sheet (2-up, 4-up)
- How to Print 2 or 4 PDF Pages per Sheet (Works on a Phone)
- Printing Lecture Slides 4-up or 6-up to Save Paper
- 2-up, 4-up, 6-up or 9-up: Which Is Best? A Guide to Text Size
- Saving Paper by Combining Pages and Printing Double-Sided
- Tips for Printing a Combined PDF at a Convenience Store
- Margins and Borders When Combining Pages: Tips for Readability
- Fixing Problems with a Combined PDF: Orientation, Order and Tiny Text
Convert a PDF to Grayscale (Black & White)
- How to Convert a PDF to Grayscale for Free (Works on Phones)
- Grayscale or Pure Black & White: Differences and When to Use Each
- Making Color Documents Readable in Black & White Printing
- Making a PDF Black & White Before Fax or Copying
- PDF Got Bigger After Converting to B&W? How to Reduce the Size
- Making Scanned Documents Black & White: Readability vs. Size
- Troubleshooting Monochrome PDFs: Faint, Broken Text, Cannot Select Text
Add a Text Watermark to PDF
- How to Add a Watermark Like "For Submission" or "Copy" to a PDF
- Watermark Text Ideas: For Submission, Copy, Confidential, Sample, Draft
- Watermarking Copies of ID and Contracts to Reduce Misuse
- What a PDF Watermark Can and Cannot Do
- Choosing Opacity, Size and Color: Balancing Visibility and Readability
- Marking Drafts and Review Copies with DRAFT to Avoid Version Mix-ups
- Checklist for Submitting or Sending a Watermarked PDF
Crop PDF Margins
- How to Crop the Margins of a PDF (Free, Works on a Phone)
- Make a PDF Easier to Read on a Phone: Trim the Margins to Enlarge the Text
- Cutting Off Black Edges and Extra Margins in a Scanned PDF
- Cropping a PDF Does Not Delete the Cropped Part: Hide Sensitive Information Another Way
- When a PDF Prints Cut Off or Too Small: Adjusting the Margins
- Trim Lecture Slides to Paste into Notes and Review More Easily
- PDF Cropping vs Image Cropping: Which Should You Use?
Black Out (Redact) Parts of a PDF
- How to Black Out Part of a PDF (Free, Works on a Phone)
- Why Putting a Black Box on Top Is Not Enough: The Right Way to Redact a PDF
- Information to Hide Before You Submit: When to Consider Redacting a PDF
- How to Check a Redaction Worked: Select, Search and Open in Another App
- Redacting a Scanned or Photographed PDF: When the PDF Is Made of Images
- Redacting the Same Place on Every Page: Headers, Footers and Name Fields
- Checklist Before Sharing a PDF: Redaction, File Name, Pages and Size
View and Remove PDF Properties (Author, Title)
- How to Check and Remove the Author and Title in a PDF (Free, Works on a Phone)
- Why Your Name Ends Up in a PDF Made from Word or PowerPoint
- Before You Submit or Publish a PDF: A Properties Checklist
- Names Left in PDF Comments and Markup: How to Remove Them and What to Watch For
- Setting a PDF Title Helps: How It Appears in the Browser and When Saving
- What Information Does a PDF Store? A List of Property Fields
- How to Name a PDF File: Tips for Submitting and Sharing
Fill In a PDF: Add Text, Date, Signature and Marks
- How to Type Text Onto a PDF Without Printing It (Free, Phone OK)
- How to Add a Handwritten Signature to a PDF (Phone, Finger OK)
- How to Add a Seal or Stamp Image to a PDF
- How to Add Today's Date to a PDF
- How to Add Check Marks, Circles and Crosses to a PDF
- How to Fix the Position of Things You Added
- What to Do If Text Won't Appear Correctly on a PDF
Resize PDF Pages to A4 or Another Paper Size
- How to Make All Pages of a PDF A4 (Free, Phone OK)
- How to Fix a Scanned PDF Whose Pages Are Different Sizes
- How to Make All Pages Portrait or All Pages Landscape
- How to Resize a PDF to B5, A5 or Letter
- How to Add Margins to a PDF Before Printing
- Notes on Resizing a PDF That Has Rotated Pages
- Does Resizing a PDF Reduce Its Quality?
Delete Pages from a PDF
- How to Delete Pages from a PDF (Free, Phone OK)
- How to Delete Only the Blank Pages of a PDF
- How to Delete PDF Pages by Page Number
- How to Delete Just the Last Page of a Scanned PDF
- How to Remove Pages with Personal Information Before Submitting a PDF
- Does Deleting Pages Make a PDF Smaller?
- What to Do If You Can't Delete Pages from a PDF
Extract Pages from a PDF
- How to Extract Only the Pages You Need from a PDF (Free, Phone OK)
- How to Save Just One Page of a PDF
- How to Extract PDF Pages by Page Number
- How to Send Only the Needed Pages of a PDF by Email
- How to Pull Only the Needed Documents out of a Scanned PDF
- Extract Pages vs. Split PDF: What's the Difference?
- What to Do If You Can't Extract Pages from a PDF
Reverse the Page Order of a PDF
- How to Reverse the Page Order of a PDF (Free, Phone OK)
- How to Fix a Scan Whose Pages Came Out Backwards
- How to Fix the Back-Side Order of a Double-Sided Scan
- How to Swap Pages of a PDF in Pairs
- How to Fix the Order of a Scanned Right-Bound Book
- How to Reverse a PDF Before Printing So Pages Stack Correctly
- What to Do If You Can't Reverse a PDF
Insert Blank Pages into a PDF
- How to Insert a Blank Page into a PDF (Free, Phone OK)
- How to Avoid a Lone Last Page in Duplex Printing
- How to Add Blank Pages Between Chapters
- How to Add a Blank Page at the Start of a PDF
- How to Add Blank Pages for Notes
- How Big Is the Inserted Blank Page?
- What to Do If You Can't Insert Blank Pages
Split PDF Spreads into Single Pages
- How to Split a Spread PDF into Single Pages (Free, Phone OK)
- How to Make a Spread-Scanned Book Easier to Read
- How to Split Spreads of a Right-Bound (Vertical Text) Book
- How to Turn an A3 Scan into Two A4 Pages
- How to Separate Two-Up Handouts into Single Pages
- What to Do If the Center of the Spread Is Off
- What to Do If You Can't Split the Pages