OmegaPix Blog
Image compression, made readable.
Practical, no-fluff guides on WebP, AVIF, HEIC, PNG, JPG, and how compression affects what your visitors see.
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Format GuidesJPEG vs WebP: The Practical Guide for 2026
JPEG built the modern web. WebP wants to replace it. Here is the honest 2026 comparison: sizes, quality, support, and when each format actually wins.
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Platform GuidesYouTube Thumbnail Size: The Exact Spec and How to Get It Right
The YouTube thumbnail spec is 1280×720 px, 16:9, under 2 MB, in JPG/PNG/WebP/GIF. Wrong dimensions cause letterboxing; too small causes blur. Here is the full spec and how to resize correctly.
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Format GuidesWebP vs JPG: When to Use Each Format in 2025
WebP beats JPG on file size by 25–35% and works in 97%+ of browsers. But JPG still wins for email, social media, and universal sharing. Here's the full breakdown.
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Platform GuidesInstagram Image Sizes 2025: Feed, Story & Reel Dimensions
Instagram enforces strict dimensions for every format. Upload the wrong size and it crops your photo, compresses the pixels, and can quietly suppress your reach. Here are the exact sizes for feed posts, Stories, Reels, and your profile picture.
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Developer GuidesOG Image Size: The Complete Guide to Open Graph Images
OG images are the preview images that appear when you share a URL on social media. Get the dimensions wrong and your link previews look broken. Here's the definitive guide to og:image sizes, meta tags, and how to get it right on every platform.
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Format GuidesJPG vs PNG for Social Media: Which Format Should You Upload?
Quick answer: use JPG for photos and PNG for logos, screenshots, and graphics with text. Here's exactly why, and when to break the rule.
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How-toHow to Compress Images Without Losing Quality
Large image files slow down websites, drain mobile data, and hit upload limits. This guide explains exactly how to compress images without losing quality: covering formats, quality settings, and common mistakes to avoid.
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Platform GuidesSocial Media Image Sizes 2025: Every Platform in One Guide
The definitive reference for social media image sizes in 2025. Covers every major platform, crop modes, format choices, and how to resize without leaving your browser.
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How-toHow to Compress a PDF Without Losing Quality
Most large PDFs are large because their embedded images are stored at print resolution when screen resolution is plenty. Downsampling those images is the single biggest lever for shrinking a PDF without anyone noticing.
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