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Performance
Compress image without quality loss: methods, formats and settings 2026
Lossy/lossless mechanisms, format settings, 2026 comparison. 100% local, no file ever leaves your device.
8 min read
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📖 Impmage Grimoire
Why optimize your images?
Everything you need to know about web performance, privacy, and the magic of local compression.
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Performance
Lossless vs lossy compression: what's the difference?
Lossy or lossless: understand the difference to choose the right setting for your use.
7 min read
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Formats
JPEG, PNG, WebP: which format for which image?
Comparison of the three dominant web formats: selection criteria and real-world cases.
8 min read
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Formats
WebP, AVIF, JPEG, PNG: the complete format guide for 2026
Which format to choose based on your use? Complete comparison with browser support data.
11 min read
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Performance
Optimize images for Core Web Vitals and LCP
How to reduce LCP and improve your PageSpeed score through image optimization.
9 min read
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SEO
Image SEO: practical guide 2026
Naming, alt attributes, structured data, image sitemap: everything that influences your image ranking.
10 min read
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Privacy
EXIF metadata: what your photos reveal about you
GPS, device, time, software: what's hidden in your photo files and how to control it.
8 min read
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Tutorial
Add watermark to image online
Protect your visuals with text watermark, no software, 100% local.
6 min read
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Formats
Convert images to WebP: benefits and limitations
WebP saves 25-34% file size vs JPEG: when to choose it, when to skip it.
7 min read
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Privacy
Image metadata and privacy: complete guide
What data is in your images, why to remove it, and how to do it before publishing.
9 min read
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Tutorial
Crop image online: formats, ratios and best practices
Guide to ratios by use (Instagram, LinkedIn, printing) and step-by-step instructions.
7 min read
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Tutorial
Resize image online without quality loss
Change image dimensions without degrading it: methods and errors to avoid.
7 min read
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Privacy
Remove GPS data from your photos before publishing
Your photo reveals your exact address. How to remove GPS coordinates before publishing.
6 min read
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Tutorial
Rotate and fix image orientation online
90°/180° rotation, flip, EXIF tag correction, no software, 100% local.
6 min read
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Performance
Why your images slow down your website (and how to fix it)
The 4 real causes (file size, format, resolution, lazy loading) and the correct order of operations.
10 min read
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