Pixemon Pixemon
Learning & Inspiration

Photo Editing, Collage & Print Guides

Master digital photo preparation with our comprehensive, step-by-step guides. Learn how to format government-compliant passport prints, assemble artistic collages, calculate print resolutions, and remove backgrounds with AI.

Official requirements • 8 min read • Updated October 11, 2026

Passport Photo Sizes: Check the Application, Not Just the Country

Compare printed photo sizes for five passport applications with links to official guidance. Learn why the right dimensions alone cannot guarantee acceptance, and how to check a print layout before submitting.

Read the passport size guide →
Printing guide • 9 min read • Updated October 11, 2026

Photo Print Resolution: How Many Pixels You Need for a Sharp Print

Work out how many pixels a print needs, see how large common phone photos can be printed, and learn why the DPI number in a file does not change sharpness. Includes size tables and a checklist for printing at the exact size.

Read the print resolution guide →
Collage ideas • 8 min read • Updated October 11, 2026

10 Photo Collage Layout Ideas That Make Pictures Work Together

Ten practical ways to arrange photos: a lead photo, a timeline, wide and close pairs, matching colours, even spacing, a slight tilt, frames, and checking at print size.

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Collage guide • 9 min read • Updated October 11, 2026

How to Make a Print-Ready Photo Collage

Choose a template or build your own layout, match the paper shape, check resolution where each photo appears, and make a proof print before ordering.

Read the collage tutorial →
Background removal • 8 min read • Updated October 11, 2026

How to Remove a Photo Background Online (and When Not To)

Which AI model to choose, photos that cut out cleanly, transparent PNG or a new backdrop, how to check the edges, and why official ID photos should not be edited.

Read the background removal guide →
Photo editing • 9 min read • Updated October 11, 2026

How to Fix Photo Colour and Brightness, Step by Step

What Brightness, Contrast, and the Yellow, Magenta and Cyan controls actually do, the order to use them in, and how to correct a colour cast, with a real before and after.

Read the colour guide →
Frames and borders • 7 min read • Updated October 11, 2026

Digital Photo Frames and Mats: How to Choose One and Print It Well

How to match a frame to a photo, the 20 frames in Pixemon and what they suit, how frames are applied to the print area, and how to keep faces clear of the edge.

Read the frames guide →
Printing guide • 7 min read • October 11, 2026

How to Crop a Photo for 4×6, 5×7 and 8×10 Prints

Why each print size needs a different crop, the shape of every common size, and how to choose what gets cut instead of letting the printer decide.

Read the cropping guide →
Printing guide • 7 min read • October 11, 2026

Why Do My Prints Look Darker Than My Screen?

Screens give off light and paper only reflects it. Why prints come out darker, how to check before printing, and how to brighten mid-tones without washing out the photo.

Read why prints look darker →
Collage guide • 6 min read • October 11, 2026

How to Make a Photo Collage on Your Phone

Pick a layout, fill each slot from your gallery, check the crops, and save or share, all in your phone’s browser with no app to install.

Read the phone collage guide →
Photo files • 8 min read • October 11, 2026

How to Save and Share Photos Without Losing Quality

JPEG or PNG, why photos get blurry after sharing, how chat apps and social media shrink them, and how to send a photo that still prints sharply.

Read the saving and sharing guide →
Printing guide • 8 min read • October 11, 2026

Home Printer, Photo Lab or Kiosk: Where to Print Your Photos

The strengths and weaknesses of each way to print, which one suits which job, and a checklist for getting size and colour right.

Read where to print →
Colour science • 10 min read • October 12, 2026

HSV Colour Maths Explained: Hue, Saturation and Value

How RGB converts to HSV and back, worked through with real numbers, how HSV differs from HSL, and what the sliders do to every pixel.

Read the HSV maths guide →
Creative Idea • Collage Template

Birthday Photo Collage Maker

Combine birthday party celebrations, childhood milestones, and family moments into a personalized birthday keepsake.

Explore birthday collages →
Creative Idea • Collage Template

Friendship Photo Collage Maker

Celebrate best friends, memorable road trips, and shared adventures in a unified photo composition.

Explore friendship collages →
Social Media • Vertical 9:16

Instagram Story Collage Maker

Arrange travel and everyday photos in a tall 9:16 layout for Instagram Stories and other vertical formats.

Explore Story collages →