This open-source clipboard manager slowly became my most important productivity tool


I didn’t think much of clipboard managers until I installed Ditto on a whim. Months later, it’s the tool I’d least want to lose, quietly saving me from re-typing and re-copying dozens of times a day.

What’s Ditto?

A free Windows tool with a surprisingly deep feature set

Ditto is an open-source clipboard manager for Windows that extends the basic copy-paste function built into the operating system. Instead of overwriting whatever you last copied, Ditto keeps a running history of everything you’ve copied, whether it’s text, images, or files, and stores it in a searchable database. You can pull up that history with a customizable hotkey, search through it, and paste any previous entry instantly, without needing to go back to the original source to copy it again.

The program has been around for years and is maintained by a small community of contributors on GitHub, which means it’s free, transparent about how it works, and unlikely to disappear behind a paywall or get bought out and bloated with ads. It’s written to be lightweight, running quietly in the system tray without consuming noticeable resources, even with thousands of clipboard entries stored.

And other than basic history, Ditto supports group hotkeys, so you can assign shortcuts to frequently used snippets like email signatures or boilerplate text. It also has a networking feature that syncs clipboard history across multiple computers on the same network, which is useful if you regularly move between a desktop and a laptop. The interface is dated, there’s no getting around that, but it’s fully functional, with options for customizing fonts, colors, and how many items are retained. For a tool that does one job, it does that job with far more depth than most people expect from something this small and unassuming.

Should you use it?

Yes, especially if you copy and paste often

A PC running Windows in a home office. Credit: Hannah Stryker / How-To Geek

Whether Ditto is worth installing comes down to how often you find yourself copying multiple pieces of information in succession. If your workflow involves jumping between documents, filling out forms, writing code, or doing customer support where you reuse the same responses repeatedly, Ditto removes a lot of friction you didn’t realize was there. The moment you can paste something you copied three steps ago instead of backtracking to find it again, the tool justifies itself.

It’s also a sensible choice for anyone wary of subscription-based utilities. Ditto is completely free, doesn’t ask for an account, and doesn’t phone home with telemetry, which matters if you’re copying sensitive information like passwords or personal data during your normal workflow. Since it’s open source, the code is available for anyone to audit, which adds a layer of trust that closed-source alternatives can’t offer outright.

That said, Ditto isn’t for everyone. If you rarely copy more than one thing before pasting it, or if your work doesn’t involve much repetitive text entry, the benefit will be marginal. The interface is also basic by 2026 standards, so anyone who cares about a polished, modern look might find it underwhelming compared to newer apps. There’s a small learning curve too, since some of the more advanced features, like group hotkeys and network sync, aren’t immediately obvious. But for the core use case, a searchable, persistent clipboard history, Ditto does exactly what it promises, and it does it for free.

What other alternatives are there?

Several options exist for different platforms and needs

An image showing Windows 11 logo. Credit: Microsoft

Ditto isn’t the only clipboard manager out there, and depending on your operating system or feature preferences, other tools might fit better. On Windows, the built-in Clipboard History (Win+V) offers basic multi-item copying, but it lacks search, persistent storage limits, and customization, making Ditto a clear upgrade for anyone who wants more control. ClipClip is another Windows-specific alternative with a more modern interface and added features like image editing within the clipboard manager itself, though it’s not open source.

For macOS users, Maccy and CleanClip are popular lightweight, open-source options that mirror much of what Ditto offers, with simple history tracking and quick search. Paste, a paid macOS app, takes things further with cloud sync across Apple devices and a more visually organized interface, at the cost of a subscription.

Cross-platform users might look at CopyQ, another open-source option available on Windows, macOS, and Linux, which supports scripting and more advanced automation than Ditto, though with a steeper learning curve. Linux users specifically often gravitate toward CopyQ or GPaste, both of which integrate well with various desktop environments.

Browser-based alternatives also exist, like clipboard extensions for Chrome or Edge, though these tend to be more limited since they only capture what’s copied within the browser itself. Ultimately, the right choice depends on your platform and how much complexity you’re willing to manage. For Windows users specifically, though, Ditto remains one of the most capable free options available.


A small tool with an outsized impact on daily work

Ditto isn’t flashy, but it solves a problem most people don’t notice until it’s gone. For Windows users tired of re-copying the same things repeatedly, it’s a free, trustworthy upgrade worth installing today.



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Recent Reviews


1,000W, 10-port charger for $45... predictably disappointing.

1,000W, 10-port charger for $45… predictably disappointing. 

Adrian Kingsley-Hughes/ZDNET

Follow ZDNET: Add us as a preferred source on Google.


ZDNET’s key takeaways

  • Things that look “too good to be true” invariable are just that.
  • This example got dangerously hot in a short period of time before dying. 
  • There’s no legitimate charger that comes close to delivering on the 1,000W promise.

Being a tech reviewer for a living means that I get offered some very interesting things. Not interesting as in Bugatti supercars or jewel-encrusted Fabergé eggs, but interesting as in “this thing could easily be a fire hazard — want to take a look?”

Also: The best GaN chargers of 2026: Expert tested

Submissively, I often say yes. And I’m glad I did with the most recent pitch, because it was very interesting indeed.

Meet the “interesting” charger

This time around, the thing of interest was a charger that claimed to deliver an incredible 1,000W through its ten ports — four 140W USB-C ports, four 100W USB-C ports, and two 20W USB-A ports. 

The person who bought this charger told me that they’d plugged it in, used it to charge their phone for “a few minutes,” got worried when it became “a little hot,” and unplugged it.

That's a lot of promise... but (spoilers), they don't deliver!

That’s a lot of promise… but (spoilers), they don’t deliver!

Adrian Kingsley-Hughes/ZDNET

The unit was suspiciously light and plasticky, especially given its built-in power supply. Compare this to Ugreen’s Nexode 500W charger, which weighs a hair under 5 lb.

There was also a slight whiff of melty plastic, which made me think that this had been a bit more than a little hot. 

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Color me suspicious, but I had a gut feeling that the only way this charger would be able to push out 1,000W would be if it caught fire. 

Turns out I wasn’t far wrong.

How long would it last? Answer: Minutes

Talk is cheap. It was time to test the charger. 

So I plugged it in, turned it on, and started using it. Within a couple of minutes of starting to use it, I noticed a few things:

  • No matter what I tried, I couldn’t persuade the charger to deliver more than about 60W from any of the ports. 
  • As for peak output, I managed to get close to 250W.
  • The power output was very uneven and noisy, fluctuating wildly. The more ports I used, the worse it got.
  • The unit got very hot to the touch very quickly, even under light loads. 
  • But… before I could get the thermal camera out to check how hot it got, there was a pop and the unmistakable smell of “Magic Smoke.” The charger had been sent to Silicon Heaven within minutes.

Annnnd… POP! This is the moment the charger gave up the ghost.

Adrian Kingsley-Hughes/ZDNET

Diagnosis time

Time to take it apart and have a look inside. For an item that plugged into the mains power, this unit was shockingly easy to take apart. 

A thin sheet of easily removable plastic is a that separates curious hands from live AC power.

A thin sheet of easily removable plastic is a that separates curious hands from live AC power.

Adrian Kingsley-Hughes/ZDNET

And even unplugged and broken, it was capable of delivering zaps! If the case came off while this was plugged into an outlet, it could very easily be deadly.

There’s charge still in some of the capacitors, and these could deliver quite a zap despite the unit being broken and unplugged!

Adrian Kingsley-Hughes/ZDNET

After getting inside, the unit was filled with a grey goo that I’d seen in a previous disappointing charger I’d taken apart. This is a thermal paste that’s used to try to dissipate the heat generated by the components. 

It’s not really going to work because it’s sealed in a plastic box with no effective heatsink. It’s a token gesture at best. At worst, it creates a mass that’ll slowly heat up and hold temperature because it’s got no way to get rid of it.

Behold the grey goo!

Adrian Kingsley-Hughes/ZDNET

Next to this goo was a bank of capacitors — the black cylinders in the photo — which were the cause of the failure. They’d clearly overheated, with three of them showing signs of bulging.

The problem!

Adrian Kingsley-Hughes/ZDNET

Well there’s the problem!

I also noticed that two of the components — bridge rectifiers that are used to turn AC mains into DC — have been fixed on an angle to make the touch a metal heatsink. It’s not really an effective way to cool down components.

The bottom line

Another “too good to be true” device bites the dust. It’s not the first one I’ve come across, and it won’t be the last.

Moral of the story here is that manufactures are using big number marketing — in this case 1,000W and masses of ports — to scalewash poor quality products. 

This might be a half-decent product if it was built to deliver 100W, but there’s no end of competition at that end of the market. Silkscreen “1,000W” on the outside, sprinkle in a few reviews that feel scripted and fake, and all of a sudden it’s interesting and exciting… right up until it blows up. 

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I know of no 1,000W charger. In fact, the 500W Ugreen Nexode is the highest-power charger that I’ve tested that’s legit. And the price is also legit — $250. 

But it’s built to deliver on what it promises and is packed with safety features, including “tip-over protection,” which cuts the output when the unit tips over and prevents it from falling on its side, where it can’t dissipate heat effectively. Now that’s an attention to safety that I like to see in a product that handles that much power. 

But if you want 1,000W of output, you’ll have to buy two and duct tape them together.





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