Visual Tools
Visual tool guides for image compression, conversion, color extraction, thumbnails, metadata, and browser-based creative workflows.
Articles in Visual Tools
- How to Convert HEIC to JPG in the Browser: What the Decoder Actually Does
You copied photos off an iPhone and the upload form, the CMS, and your coworker's laptop all reject them. The files are HEIC, Apple's container built on the same compression family as HEVC video. Safari and Apple hardware read it natively. Most of the rest of the web does not. Conversion to JPG is t
- PNG vs WebP vs AVIF: Modern Image Formats Compared
A clear comparison of PNG, WebP, and AVIF for the web. Compression ratios, browser support, transparency, animation, and when to pick each format.
- Image Optimization for Web: Complete Performance Guide
A complete guide to image optimization: lossy vs lossless, modern formats, responsive images, lazy loading, Core Web Vitals, and a repeatable workflow.
- Image Compressor Quality vs Size, What the Slider Does
You drop a photo, move a quality slider, and watch a percent smaller figure update. Most guides stop at "use 70 to 80 percent". We maintain the image compressor on this site, so we can show you what the slider actually sends, which numbers are fixed in code, and the two places where the tool changes
- YouTube Thumbnail Downloader Formats, Four Files Per Video
Thumbnail grabbers advertise 4K covers. YouTube actually serves every public video a fixed set of four JPG files, and the largest standard one is 1280 by 720 pixels. We run a YouTube thumbnail downloader on this site, its code requests exactly those four files, and the details below come straight fr
- QR Code Error Correction Levels: How L, M, Q, and H Change Your Code
Every QR code generator asks one question before you download, and most people click through it. The error correction level decides how much of the printed code can be damaged before a scanner gives up. Our QR code generator ships four buttons for it, and picking the wrong one either wastes print sp
- TeamSpeak Avatar Size Rules: What the 320 Pixel Cap Does to Your File
Upload rejection on a TeamSpeak server usually comes down to numbers, not content. Avatars that come straight off a phone are thousands of pixels wide and megabytes heavy. Our TeamSpeak avatar resizer exists to enforce one dimension rule and report the rest, and knowing exactly which rules it enforc
- Image Format Converter Pipeline: Three Outputs and One White Fill
Most image converters advertise a long input list and hide a short output list. Our format converter does the opposite. The code exposes three output formats, JPEG, PNG, and WebP, and treats everything else as input. This article walks the actual pipeline in the component, including the one branch t
