Kappil Yadav

I build and maintain PasteDownloadApp, a small browser-based tool for saving clipboard images as files. I write the blog, fix the bugs, and answer the emails that come in through the contact page.

Background

I have spent most of my time building small, focused web tools rather than large applications: things that do one job well, load fast, and do not ask for an account before you can use them. Browser APIs like Clipboard, Canvas, and the File System Access API interest me specifically because they let a plain webpage do work that used to require installing something. PasteDownloadApp grew directly out of that interest rather than out of a business plan.

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 Decide What to Build

Every feature on this site has to justify running entirely in the browser, on your device, without a server in the loop. That rule has turned down more feature requests than it has approved. Batch processing hundreds of files at once, for example, is something people ask for reasonably often, and it is also something that pushes hard against what a single browser tab can do reliably without becoming slow or fragile. Rather than ship a half-working version of that, I have left it out and said so plainly on the about page. I would rather ship five things that work every time than fifteen that work most of the time.

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.

Guides get revisited when something about the underlying browser behavior changes, not on a fixed schedule. Chrome, Firefox, and Safari update their clipboard and canvas implementations often enough that an article written a year ago can quietly go stale, and I would rather catch that myself than have a reader run into it first. If you find a guide that no longer matches what you see in your own browser, that is exactly the kind of report I want.

Corrections and Updates

If something on this site is wrong, whether that is a factual error, an outdated screenshot, or a browser behavior that has changed since I wrote about it, I want to hear about it and I will fix it. There is no editorial process standing between a correction and the live page beyond me reading the email and pushing the change. I would rather have a reader point out a mistake than have it sit uncorrected because no one mentioned it.

Outside PasteDownloadApp

When I am not working on this site, I spend a fair amount of time reading about browser performance and privacy-preserving web APIs generally, which is part of why this project leans so heavily on doing work client-side rather than defaulting to a server. I do not have a newsletter, a course, or anything else to sell you here. This is a tool I built because I wanted it to exist, and the blog exists to document how it actually works, not to build an audience around it.

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. I am also on LinkedIn and Instagram if you would rather connect there.