Kappil Yadav
I build and maintain PasteDownloadApp, a small browser-based tool for saving clipboard images and direct image URLs as files. I write the blog, fix the bugs, and answer the emails that come in through the contact page.
Why I Built PasteDownloadApp
I kept running into the same annoyance: a screenshot or a copied image would sit on my clipboard, and turning it into an actual file meant opening Paint or Preview, pasting into a blank canvas, and clicking through a save dialog. None of that needs a desktop app. The Clipboard API and the Canvas API can read a pasted image and re-encode it as PNG, JPEG, or WebP directly in the browser tab, so I built a page that does exactly that and nothing else. No account, no upload, no server involved in the conversion.
How I Work on This Site
I test changes against real files before I publish anything on the blog. When a post references a file size or a conversion result, I pasted or fetched that exact image through the live tool and read the number off the page, the same thing you would see if you did it yourself. I keep a running note of what changed on each article's byline so it is clear when something was updated and why.
Find Me
Code and commit history for this site are public on GitHub (@kappilyadav). If you spot a bug or want to suggest a feature, that is the fastest way to reach me alongside email.
Articles by Kappil Yadav
Why Clipboard Image Paste Behaves Differently in Chrome, Firefox, and Safari The Clipboard API is not implemented the same way everywhere. Here is what actually differs between browsers. 
Saving a Clipboard Image on Android vs iPhone: What Actually Works Mobile clipboard access does not match desktop. Here is the real difference between Android and iOS browsers. 
Why "Access Clipboard" Fails, and How to Fix It Clipboard read permission errors explained: browser support, HTTPS requirements, and permission prompts. 
How to Convert Several Screenshots Fast Without Batch Software PasteDownloadApp converts one image at a time. Here is the fastest real workflow for getting through a stack of them. 
Image Compression Quality Settings Explained, With Real File Sizes What a JPEG or WebP quality number actually changes, shown with real before-and-after file sizes. 
SVG and ICO Quirks You Will Hit When Converting Images in a Browser Vector files and multi-resolution icons do not behave like PNG or JPG. Here is what actually happens when you convert them. 
Preparing an Image for a Favicon, a Social Post, or a Resume Each use case has different size and format requirements. Here is what to pick and why, with real numbers. 
Why Re-Saving a PNG Can Make the File Bigger, Not Smaller A browser Canvas re-encode is not the same as a PNG optimizer. Here is the real size difference and why it happens. 
PNG vs JPG vs WebP - Which Format Should You Save Your Image As? Learn the differences between PNG, JPG, and WebP, including quality, transparency, and file size. 
How to Download a Copied Image on Mac Without Saving to Photos Save clipboard images from your Mac directly as files without Photos, Preview, or extra steps. 
How to Save a Screenshot Directly as a File Without Opening MS Paint Turn Print Screen or Snipping Tool captures into PNG or JPG files without opening an editor. 
5 Faster Ways to Save Clipboard Images Without Software Compare browser-based and built-in methods for saving copied images on desktop and mobile.