Guides

Short, practical guides on image formats, sizes and file quality.

Image File Names and Alt Text: A Simple Guide for Website Owners

September 28, 2026

How to name image files and write helpful alt text so pictures are understood by search engines and by people who use screen readers.

September 22, 2026

Tips for taking clear photos of paper documents and combining them into a single PDF in the right page order, all in your browser.

September 16, 2026

Why websites and forms refuse a photo, and how to fix the file type, file size and dimensions so your upload works the first time.

September 9, 2026

A simple chart and formula to find how many pixels you need for 4x6, 5x7, 8x10 and A4 prints, and what to do when your photo is too small.

September 2, 2026

Photos can carry hidden details such as camera model, date and sometimes location. Learn what EXIF data is and how to share pictures more safely.

August 26, 2026

Compare MP3 and WAV by size, quality and compatibility, and learn which bitrate to pick when you extract audio from an MP4 video.

August 19, 2026

Understand how transparency works in PNG and WebP, why JPG cannot keep it, and how to choose the right background colour when converting.

August 11, 2026

What lossy and lossless compression mean for photos, PNG, JPG and audio, and how to choose the right one for your files.

August 4, 2026

DPI and PPI confuse almost everyone. This guide explains pixels, resolution and why changing the DPI number does not change image quality.

July 27, 2026

Learn why shrinking works better than enlarging, how aspect ratio affects the result, and how to resize photos in your browser for free.