Picovert Blog
Image format guides, web performance deep dives, and the engineering behind a privacy-first toolkit.
Image DPI for Printing — What Resolution You Actually Need
Image DPI for print: 300 DPI for photos and documents, 150 DPI minimum for posters, 72 DPI for screen only. Calculate the pixel dimensions you need for your print size.
Image File Formats Comparison: JPG, PNG, WebP, AVIF, GIF & More
Compare all major image formats — JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF, HEIC. Find the best format for web, print, social media, and archiving with our complete comparison guide.
Lossy vs Lossless Image Compression: Which Should You Use?
Understand the difference between lossy and lossless image compression. Learn which formats use each type, when quality loss matters, and how to choose the right compression for photos, screenshots, logos, and web images.
DPI Explained: What Is DPI and Why Does It Matter for Images?
Understand DPI (dots per inch) and PPI (pixels per inch). Learn the difference between screen resolution and print resolution, why 72 DPI vs 300 DPI matters, and how to check or change DPI without losing quality.
Convert ICO to PNG Free Online — Extract Favicon Images
Convert ICO files to PNG format free online. Extract any size from multi-resolution ICO files, or convert favicon icons to high-quality PNG images instantly.
Image Color Space Guide: sRGB, Adobe RGB, CMYK, and Display P3 Explained
Understand color spaces in images: sRGB vs Adobe RGB vs CMYK vs Display P3, why colors shift after conversion, how to check your image's color profile, and which space to use for web and print.
Image Color Profiles Explained: sRGB, Adobe RGB, and Display P3
Understand image color profiles (ICC profiles): sRGB vs Adobe RGB vs Display P3. Learn when to use each color space, why wrong profiles cause color shifts on upload, and how to fix color profile issues in your images.
Image CDN Optimization: Cloudflare Images vs Cloudinary vs imgix
On-the-fly resizing, format conversion, and edge delivery — a practical comparison of image CDN services for different traffic patterns and budget constraints.
How to Reduce GIF File Size: 6 Techniques That Actually Work
Reduce GIF file size with color palette reduction (256→64 colors), frame rate cuts, cropping, and conversion to WebP or MP4. Step-by-step techniques to shrink GIFs by 50-90%.
Image Aspect Ratio Guide: 1:1, 4:3, 16:9 & Common Ratios Explained
Complete image aspect ratio guide: what 1:1, 4:3, 16:9, 4:5, 9:16 mean and when to use them. Includes aspect ratios for social media, print, video, and how to resize without distortion.
How to Make an Image Smaller (KB or MB) — 3 Methods
Make an image smaller in KB or MB using three methods: compress, resize to smaller dimensions, or convert to a more efficient format like WebP. Free, no upload needed.
How to Make a GIF Smaller: 6 Methods That Actually Work
Reduce GIF file size without ruining quality. Six proven techniques: reduce dimensions, lower frame rate, cut the palette, trim duration, use dithering, or convert to video.