ImgSlim Blog

Image optimization guides

Practical articles on compression, formats, web performance, and getting the most out of your images.

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Guide · Image Optimization
How to Compress Images Without Losing Quality
Lossy vs lossless explained. The best quality settings for web, email, and print. Get 60–80% smaller files with no visible quality loss.
8 min read
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Formats · Web Performance
WebP vs JPEG: Which Format to Use in 2025?
Complete side-by-side comparison: file size, quality, browser support, transparency, and when to still use JPEG.
6 min read
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How-to · Email
Reduce Image Size for Email Attachments
Gmail and Outlook attachment limits explained. Fastest way to compress photos before sending—no software needed.
5 min read
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Guide · PDF
Convert Images to PDF Free (JPG, PNG to PDF)
Convert single or multiple images to PDF in seconds—no software, no sign-up. Works on Windows, Mac, iPhone, Android.
4 min read
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Web Dev · Favicons
Create a Favicon (.ico) for Your Website
Create a favicon from your logo and add it to any website. Covers all sizes, HTML code, WordPress, Shopify, Wix.
5 min read
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Guide · Web Performance
Best Image Format for Your Website in 2025
JPG vs PNG vs WebP vs AVIF vs SVG comparison. Full file sizes, browser support data, clear recommendations for every use case.
7 min read