Google Chrome & Microsoft Edge just got way better at copy-pasting

If there is one universal computing reflex we all share, it’s Ctrl+C and Ctrl+V. Copying and pasting is so fundamental to how we use our computers that we rarely even think about it until it stutters. If you spend a lot of time working in web apps like Google Docs, browser-based design tools, or even just heavy email clients, you’ve probably noticed that sometimes pasting doesn’t feel quite instant. You hit the shortcut, and there’s a tiny, frustrating micro-stutter before your text or image appears.

Well, the good news is that the web is getting a massive under-the-hood upgrade to fix exactly this. Thanks to a collaborative effort spearheaded by Google and Microsoft, a new change to how web browsers handle your clipboard is rolling out. It promises to make pasting faster, kill those annoying lags, and save your computer’s memory in the process.

Here is a breakdown of what went wrong with the old way of pasting, and how this new update fixes it.

The problem: Browsers were trying to do too much

To understand the fix, we have to look at what actually happens when you copy something.

Let’s say I copy a formatted table from Microsoft Excel or a colorful snippet from Photoshop. When I hit copy, my computer doesn’t just grab the raw text. To be helpful, it takes a “snapshot” of that data in multiple different formats all at once: plain text, rich HTML, image data, and sometimes custom application formats.

Until now, when you went to paste that data into a web app, your browser would blindly grab every single one of those formats from your system clipboard. It would drag them all into your browser’s memory, run heavy security checks (sanitization) on the HTML and images, and hold onto all those bytes.

But most of the time, the website only needed one of those formats. If I was pasting into a plain-text code editor, the browser had just wasted CPU cycles and RAM processing heavy image and HTML files that the app was just going to throw away. The bigger the copied payload, the longer you had to wait for the paste to execute, and the more RAM your browser hogged.

The fix: Selective format read

Starting with version 149 of Google Chrome and Microsoft Edge, browsers are switching to a much smarter system called selective format read. Instead of downloading the entire buffet of clipboard data upfront, the browser now just takes a quick look at the menu. It asks the system clipboard, “What formats do you have?” without actually pulling the data.

Then, when the web app you are using says, “Hey, I just need the plain text,” the browser reaches into the clipboard and selectively pulls only the plain text. The heavy HTML and image files are completely ignored.

As an end-user, you don’t have to flip any toggles or change how you work to get these benefits. Because this is a core web standard update, every website gets this upgrade automatically.

Here is how your daily browsing will improve:

• Zero-lag pasting: Because the browser is skipping the heavy lifting of processing formats the website doesn’t even want, pasting will feel truly instantaneous. This is especially noticeable if you are pasting data that contains massive hidden payloads (like a small snippet of text from a heavy, 50MB image file).
• Lower memory usage: We all know how memory-hungry modern browsers can be. By leaving unused clipboard data alone, your browser isn’t needlessly inflating its RAM usage. If you are a tab hoarder working across multiple document editors or design tools at once, this is going to meaningfully free up your system resources.

Which browsers are getting selective format read?

If you are using Google Chrome or Microsoft Edge, this invisible performance boost arrived with version 149. Apple users can feel a little smug here, as Safari has actually already supported this selective reading behavior. Meanwhile, Mozilla has indicated they are fully on board with the new standard, meaning Firefox users will be getting this exact same alignment in the near future.

It’s rare that we get an update that universally speeds up the web without requiring website developers to rewrite all their code, but this is one of them. The next time you furiously mash Ctrl+V, you can thank your browser for finally working smarter, not harder.

We stand out from the tech-media crowd because we break news stories; we mainly bring you stuff that you won’t find anywhere in the mainstream tech media. Our stories have been picked up by some of the world’s most popular websites and media outlets—more info is available here.