FOUNDER & PUBLISHER

Yassine El Mernissi

Independent publisher and site manager at CleanImg Online

The person responsible for the site

Yassine El Mernissi is a Moroccan site publisher and the founder of CleanImg Online. He earned his baccalaureate in 2012, a bachelor's degree in 2016, and an information technology diploma in 2021. He manages the site independently, including editorial review, publishing, tool oversight, technical maintenance, and ongoing corrections.

Yassine created CleanImg Online from his interest in practical image tools and manages the project independently. Visitors can identify who publishes the guides, how the pages are maintained, and where to report a correction.

2012Baccalaureate
2016Bachelor's degree
2021Information technology diploma

What Yassine manages

01 / REVIEW

Editorial checks

Reviews instructions, claims, links, and page clarity before or after publication.

02 / PUBLISHING

Guides and updates

Publishes practical explanations and revises them when a tool or workflow changes.

03 / TOOL QA

Visitor-side testing

Checks tool pages from upload through download and documents limits honestly.

04 / MAINTENANCE

Corrections and upkeep

Handles routine site maintenance and investigates problems reported by visitors.

Published guides

Articles written or reviewed under this author profile. Each guide shows its publication and revision details.

Photo subject placed into a realistic replacement background

How to Add a New Background to a Photo and Make It Look Realistic

A practical workflow for replacing a photo background while matching perspective, scale, lighting, contact shadows, color, sharpness, and…

Close-up example of a white halo around a cutout after background removal

How to Fix a White Halo After Removing an Image Background

A practical diagnosis and repair guide for white fringes around transparent cutouts, including mask contraction, color decontamination, local…

Transparent vs White Background: Which Is Better for Your Image?

Transparent and white backgrounds solve different problems. Choose based on where the image will be placed, whether the…

How to Remove an Image Background Without Ruining Hair and Fine Edges

Hair, fur, soft shadows and translucent edges are where background removal usually fails. Use a light/dark edge test…

WebP Quality Settings Explained: How Small Can an Image Get Before It Looks Bad?

WebP quality is a tradeoff, not a magic percentage. Test faces, gradients, text and fine texture at the…

Image Dimensions vs File Size: Why a Smaller Image Can Still Have a Large File

Pixel dimensions and file size measure different things. A smaller image can still be heavy when its format,…

Side-by-side comparison of a sharp image and a blurry resized version

Why Is My Image Blurry After Resizing? 7 Causes and How to Fix Them

A resized image can look soft for several different reasons. Diagnose whether the problem comes from upscaling, compression,…

Visual comparison showing crop and resize as two different image operations

Crop vs Resize: What’s the Difference and Which One Should You Use?

Cropping removes part of the frame; resizing changes pixel dimensions. See when each operation is the right choice,…

Three versions of the same image prepared in different file formats

JPG vs PNG vs WebP: Which Image Format Should You Actually Use?

A practical comparison of JPG, PNG and WebP for photos, transparency, screenshots, web delivery, and file size—without treating…

Website layout showing images used at different responsive sizes

Best Image Size for Websites: Dimensions, File Size and Quality Explained

Choose web image dimensions based on the layout, responsive behavior and screen density—not a single magic width. This…