Image Tools — Guides & Articles

• Change Image DPI in Illustrator Without Re-encoding

  Published 2026-08-24

  Change image DPI for Illustrator projects via the JPEG export dialog, or update JFIF and pHYs metadata locally without resampling or re-encoding the pixels.

  

• Resizing an Image in Paint? Try Your Browser Instead

  Published 2026-08-24

  Paint can resize images, but a browser tool does it more precisely, privately, and with format choice. Here's how to get exact pixel sizes.

  

• How to Split an Image Into a Grid for Instagram Posts

  Published 2026-08-24

  Split a JPG, PNG, or WebP into a clean grid of PNG tiles in your browser. Up to 100 tiles, exact pixel coverage, no upload required.

  

• How to Flip an Image in Google Docs (2 Easy Ways)

  Published 2026-08-24

  Google Docs has no native flip option. Use the Drawing tool or flip the image in a private browser tool like Image Flipper first. Step-by-step guide.

  

• Is It Safe to Use Image Filter Effects Online?

  Published 2026-08-24

  Online image filter effects are safe when files stay in your browser. See what makes a filter tool trustworthy and how to verify privacy before you click.

  

• How to Optimize a GIF in Photoshop (Browser Shortcut)

  Published 2026-08-23

  Optimize a GIF in Photoshop using Save for Web, color reduction, and lossy settings. Here is the full Photoshop workflow plus a local browser alternative.

  

• How to Crop an Image in macOS Preview (or Your Browser)

  Published 2026-08-23

  Step-by-step instructions for cropping an image inside macOS Preview, plus a faster browser method that keeps your photo on your device.

  

• How to Pick a Color from a Photo and Copy HEX

  Published 2026-08-23

  Pick an exact color from any photo with a single click. Get the HEX and RGB code instantly, copy it to your clipboard, and keep your image private in your…

  

• How to Invert Colours on an Image Without Uploading It

  Published 2026-08-23

  Invert colours on a PNG, JPEG, GIF, or WebP image directly in your browser. No upload, byte-level format check, full-resolution PNG output.

  

• How to Remove Image Background Color in CSS

  Published 2026-08-23

  Removing an image background color in CSS works best when you know the exact HEX code first. Extract it locally, then apply the right blend mode.