Blog

Short, practical writing about image files, photo privacy, and getting things done in the browser.

• How to resize an image without losing quality 18 August 2026

  Shrinking an image keeps it sharp; enlarging is where quality drops. Here's why, how to resize so it stays as crisp as possible, and the difference between resizing and compressing.

• How to convert a PDF to JPG images 17 August 2026

  Need each page of a PDF as a JPG? Here's how to convert a PDF to images, when it's useful, how to keep the text sharp, and how to do it without uploading your file.

• How to redact a document properly (and how people get it wrong) 16 August 2026

  Drawing a black box over sensitive text often doesn't hide it — the original can be copied out or uncovered. Why redaction really fails, the famous cases, and how to black out or pixelate an image so the hidden part is genuinely gone.

• What is a WebP file, and why do you keep downloading them? 12 August 2026

  You saved an image from the web and got a .webp file that won't open in some apps. Here's what WebP is, why websites serve it, and how to convert it to JPG or PNG when you need to.

• How to convert HEIC to JPG on Windows 11 August 2026

  iPhone photos ending in .heic won't open on your Windows PC? Here's why it happens and three ways to convert them to JPG — including one that runs in your browser with nothing uploaded.

• How do browser image tools work without uploading your photo? 10 August 2026

  Is "nothing is uploaded" genuinely true, or just reassuring words? A clear, non-code explanation of what actually does the work in your browser, how odd formats like HEIC are handled on your device, and how to verify it yourself.

• What "8-bit" really means — and how to turn a photo into pixel art 9 August 2026

  The chunky 8-bit look wasn't a style choice originally — it was what 1980s hardware could do. Here's where it came from, why the Game Boy was green, and how to turn your own photo into pixel art.

• Passport photo size and requirements: a country-by-country guide 8 August 2026

  Passport photo sizes by country — US 2×2 in, UK/EU 35×45 mm and more — plus the background, expression, and framing rules that quietly decide whether a photo is accepted or rejected.

• Hidden data in images: the curious world of steganography 7 August 2026

  An image can secretly carry data that's invisible to the eye — a technique called steganography. Here's what it is, how it works in principle, its surprisingly ancient history, and where it's used for good and ill.

• What image format should I use? 5 August 2026

  JPG, PNG, WebP, HEIC, GIF, SVG — which one should you actually use, and when? A plain-English guide to picking the right format for photos, graphics, and the web.

• How to compress an image to a specific file size 4 August 2026

  A form won't accept your photo because it's too large? Here's how image file size actually works, and how to hit an exact target like 100KB, 1MB, or 2MB without wrecking the picture.

• PNG vs JPG: what's the difference, and when should you use each? 3 August 2026

  Save the wrong format and your image is either needlessly huge or noticeably fuzzy. Here's the one core difference between PNG and JPG, the simple rule that follows from it, and where WebP fits in.

• HEIC vs JPG: what's the difference, and which should you use? 3 August 2026

  Your iPhone saves photos as HEIC, and sometimes they won't open on other devices. Here's the real difference between HEIC and JPG, why Apple uses it, and when it's worth converting.

• What your photos reveal about you (and how to check) 3 August 2026

  Your photos can carry the exact location where they were taken — invisibly. Here's how to see the hidden metadata in a picture, which sharing methods quietly strip it, and how to remove it yourself.