How to Calculate Image Aspect Ratio
Learn how to calculate an image's aspect ratio from its width and height, simplify the ratio, and use it to resize or crop without distortion.
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Image Guides Guides
Detailed guides for resizing, compressing, converting, cropping and preparing images for websites, documents and everyday use.
How to Create a Favicon for a Website
Learn how to prepare a simple favicon, generate a PNG favicon with Tervilo, add the HTML link correctly, and test it in a real browser.
Read guideHow to Convert SVG to PNG
Learn how to convert SVG artwork to PNG, choose a useful output width, preserve transparency when needed, and avoid low-resolution rasterization.
Read guideHow to Compress an Image to a Specific File Size
Learn how to reach a target image size such as 50 KB, 100 KB or 200 KB while balancing dimensions, format and visual quality.
Read guideHow to Check Image Dimensions and Aspect Ratio
Learn how to check image width, height and aspect ratio and decide whether to resize, crop or compress.
Read guideHow to Rotate and Flip an Image
Learn the difference between rotating and flipping images, with practical examples and checks for text, logos and orientation.
Read guideHow to Convert WebP to PNG
Learn how to convert WebP to PNG, understand file-size changes, transparency and why conversion cannot restore lost detail.
Read guideHow to Convert WebP to JPG
Learn how to convert WebP to JPG for compatibility, including quality trade-offs and what happens to transparent areas.
Read guideHow to Convert PNG to WebP
Learn how to convert PNG to WebP while handling transparency, lossless versus lossy output, dimensions and web compatibility.
Read guideHow to Convert JPG to WebP for the Web
Learn how to convert JPG to WebP for web delivery, compare file size and quality, and avoid losing important image detail.
Read guideJPG vs PNG vs WebP: Which Image Format Should You Use?
Compare JPG, PNG and WebP for photographs, screenshots, transparency, compatibility and web delivery.
Read guideHow to Crop an Image Precisely
Learn how to crop images to exact dimensions or aspect ratios while protecting important subjects, text and composition.
Read guideHow to Convert PNG to JPG
Learn how to convert PNG to JPG, handle transparency, choose quality settings and decide when JPEG is the better destination.
Read guideHow to Convert JPG to PNG
Learn how to convert JPG to PNG, understand quality and file-size trade-offs, and avoid expecting conversion to restore lost detail.
Read guideHow to Resize an Image Without Distorting It
Learn how to resize images proportionally, preserve aspect ratio, choose target dimensions and avoid stretched or squeezed results.
Read guideHow to Compress Images Without Losing Too Much Quality
Learn how to reduce image file size while balancing dimensions, format, compression strength and visual quality.
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