Convert Images & Make PDFs: Guides

The right file format saves space and avoids broken uploads. These guides explain JPG, PNG, WebP and HEIC and when to use each, how to convert between them without losing quality, and how to combine photos and scans into a single PDF.

29 guides

• How to Convert an Image to PDF (Free, No Watermark)
  PDFs are the universal format for documents, forms and sharing. Here's how to turn a photo, scan or screenshot into a clean PDF for free in seconds.
  10 min read
• How to Combine Images into a PDF (Free, No App)
  Turning several images into one PDF makes them easy to send, print and archive. Here's how to combine images into a PDF free.
  10 min read
• How to Convert WebP to PNG (Save & Edit WebP Images)
  WebP is great for the web but not every app accepts it. Convert WebP to PNG for universal editing — with transparency kept intact.
  10 min read
• What Is WebP? The Modern Image Format Explained (Should You Use It?)
  WebP promises smaller files than JPG with PNG-style transparency. Here's what it actually is, when to use it, and how to convert to and from it free.
  10 min read
• PNG vs JPG: Which Image Format Should You Use?
  PNG or JPG? The right choice depends on transparency, file size, and whether it's a photo or a graphic. Here's a simple rule you'll never forget.
  10 min read
• How to Convert HEIC to JPG (Open iPhone Photos Anywhere)
  HEIC is Apple's space-saving photo format — but it won't open everywhere. Convert HEIC to JPG for universal compatibility.
  10 min read
• How to Convert PNG to JPG (Free, No Quality Loss You'll Notice)
  PNG files are often huge. Converting to JPG can cut the size by 80% or more with no visible loss — here's when and how to do it.
  10 min read
• Image File Formats Explained: JPG, PNG, WebP, GIF, SVG & AVIF
  JPG, PNG, WebP, GIF, SVG, AVIF — what's the difference and when do you use each? Here's a plain-English guide, plus how to convert between them free.
  10 min read
• SVG to PNG: How (and Why) to Convert Vector to Raster
  SVGs are perfect for logos — until an app won't accept them. Converting SVG to PNG gives you a universally-supported raster image with transparency.
  10 min read
• How to Convert JPG to PNG (and Why You'd Want To)
  Converting JPG to PNG gives you a lossless copy that won't degrade when edited — and a format that supports transparency. Here's when and how to do it.
  10 min read
• How to Convert WEBP to JPG (Free, No Sign-Up)
  You saved an image from the web and got a .webp that half your software refuses to open. One conversion fixes it.
  4 min read
• Convert WEBP to PNG and Keep the Transparency (Free)
  If your WEBP has a transparent background, PNG is the conversion that keeps it. JPG is the one that destroys it.
  4 min read
• JPG, PNG or WEBP: Which Image Format Should You Use?
  Three formats cover almost everything. Picking the right one is usually worth more than any amount of compressing the wrong one.
  6 min read
• Convert PNG to WEBP for a Faster Site (Free)
  If your site serves PNG logos and graphics, converting them to WEBP is one of the cheapest speed wins available.
  4 min read
• How to Convert TIFF to JPG (Small & Shareable, Free)
  TIFF files are large and not web-friendly. Convert TIFF to JPG for a small photo that opens and uploads anywhere — free.
  8 min read
• How to Convert BMP to JPG (Shrink Huge Bitmaps, Free)
  BMP files are uncompressed and massive. Convert BMP to JPG to shrink them dramatically with no visible loss — free.
  8 min read
• How to Convert GIF to PNG (Sharper Stills, Free)
  GIF is limited to 256 colours. Convert a GIF frame to PNG for a sharper still with full colour and clean transparency — free.
  8 min read
• JPEG vs JPG: What's the Difference? (Nothing — Here's Why)
  JPEG and JPG are the exact same format. Here's the history behind the two names — and how to convert if a system is fussy.
  8 min read
• How to Convert WebP to JPG (Free, Opens Everywhere)
  Saved a WebP that won't open or upload? Convert WebP to JPG for a universally-supported photo — free.
  8 min read
• How to Make a PDF From Photos on iPhone (Free)
  Turn iPhone photos into a single PDF without an app. Here's how, free, right in Safari.
  8 min read
• How to Turn a Screenshot Into a PDF (Free, No App)
  Screenshots are easier to share and print as a PDF. Here's how to turn one — or many — into a PDF, free.
  8 min read
• How to Convert PNG to PDF (Free, Keep It Sharp)
  PNG screenshots and graphics are easier to share as a PDF. Here's how to convert PNG to PDF, free.
  8 min read
• How to Scan a Document With Your Phone (to PDF, Free)
  Your phone camera plus a free tool is a document scanner. Here's how to scan pages to PDF, free.
  8 min read
• How to Convert JPG to PDF (Free, One or Many)
  A PDF is easier to send and print than loose JPGs. Here's how to convert JPG to PDF, free.
  8 min read
• How to Convert PNG to WebP (Smaller Files, Same Quality)
  WebP files are far smaller than PNG at the same quality — with transparency kept. Here's how to convert PNG to WebP free.
  10 min read
• JPG to PDF: How to Convert Free Without Losing Quality
  "JPG to PDF" is one of the most-searched conversions there is. Here's how to do it free, keep the quality, and skip the watermark.
  4 min read
• How to Convert an Image to PDF for Free
  Sometimes only a PDF will do — a form won't take an image, or you want one tidy file to send. Here's how to turn any photo into a PDF for free.
  4 min read
• How to Convert PNG to JPG for Free (Smaller Files, Same Look)
  PNG photos can be huge. Converting them to JPG can cut the size by 80% with no visible difference. Here's how to do it free.
  5 min read
• How to Convert JPG to PNG for Free (and When You Should)
  JPG and PNG aren't interchangeable — each is better at different jobs. Here's how to convert JPG to PNG free, and when it's actually worth doing.
  5 min read