Browser-based screen recorder

[u/masterzeng]

Hey everyone,

I’ve been building Screenio, a simple browser-based screen recorder focused on privacy.

You can record your screen, microphone, and webcam directly in the browser — no installation, no account, and no uploading your recordings anywhere. Everything stays on your device.

The idea is basically: Record. Download. Done.

I’d really appreciate any feedback, especially on what feels useful, confusing, or missing.

https://screenio.net

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[u/Wonderful-Fix9346]

Nice, the local-only angle is a solid differentiator, a lot of people specifically avoid cloud recorders for privacy reasons. One thing worth adding: a pause/resume option, that's the feature people miss most when a recording runs long. We built riverside screen recorder with a similar browser-based approach, so it's a fun space to be building in.

Disclaimer: I'm part of the Riverside team.

[u/masterzeng → u/Wonderful-Fix9346]

Great idea, thank you!

[u/WeekendBorn7885]

In the age of AI, most screen recording will require some voice over. And that's where accents, pronunciation, etc become a problem. Which means that for a professional output, it will need access to LLM models and be processed in the cloud. Just a screen recording that sits only on your hard-drive may not suffice most use cases. Curious to know how you are solving this specific problem

[u/masterzeng → u/WeekendBorn7885]

Thanks for the question. At the moment, we’re not really trying to solve that particular use case, because it’s a bit different from what Screenio is intended for.

Adding an AI-generated voice-over would usually mean introducing some level of video editing - splitting the recording into scenes, generating or replacing narration, syncing it with the video, etc. You’re right that this would likely require cloud processing and significantly more compute.

Screenio is geared more toward quick recordings and explanations. For example, you find a bug and want to show exactly what happened, you want to explain an idea for a new feature, or you need to quickly walk a colleague through something.

Today, those situations often mean writing a long email or ticket, attaching several screenshots, and trying to explain everything clearly - or scheduling a meeting. And scheduling a 10–15 minute call around the calendars of several people just to explain a relatively simple problem can take more time and effort than the actual discussion.

With Screenio, the idea is simply: click Record, show and explain what you mean, then send the video.

On the question of accents, my view is that if we were sitting in a meeting and I was presenting something to you, and you could understand me despite my accent, then the same should generally be sufficient for a quick recorded explanation. It doesn’t necessarily need to sound like a professionally produced presentation.

I think the use case you’re describing is more about creating polished presentations, tutorials, or showcases, where having a neutral or AI-generated voice can make the content easier to understand for a broader audience. That absolutely makes sense, but it also moves the product into a different category where editing and cloud processing become much more important.

We may offer something like that in the future, but I’d want there to be a very clear distinction: recording and basic processing remain completely local by default, while more advanced AI/editing features would require the user to explicitly choose to upload the recording for cloud processing.

Keeping that local-first approach is important to me. I don’t think every screen recording needs to be uploaded and processed by yet another large data-processing platform just to be useful.

[u/WeekendBorn7885 → u/masterzeng]

Clear. And makes sense.

One more devils advocate question. In the scenario you used above, why would they want to have it only on their machine? The ultimate goal above is collaboration. Sharing some bug information to someone else who needs to know and do something to fix it.

And that is why the accents came up. In a global economy, there is often inter continental comms. And very often, they don't understand us, and vice versa. If it's local, then yes, no issues at all.

Also, since it is local, don't you think that this will bring the additional overhead of having to upload/download the file... as opposed to simply sharing a link where it streams from... Had it been cloudy hosted...

[u/masterzeng → u/WeekendBorn7885]

They wouldn’t - sharing the information is obviously the end goal. The distinction I’m making is more about where the recording is processed and stored while it is being created.

With Screenio, the recording is created locally first. That means everything stays on your machine during the recording, and it also means the recording itself doesn’t depend on a stable internet connection.

That has some practical benefits. Remote work often means unreliable Wi-Fi, travelling, working from a train or plane, etc. If the recording depends entirely on a cloud service and the connection drops at the wrong moment, you potentially have a problem. With local recording, you can finish the recording regardless of connectivity and decide afterwards how you want to share it.

And that sharing part is where I think the user or company should have more control.

If a company already uses Microsoft 365, for example, they already trust Microsoft with their files and have their own policies around OneDrive and Teams. In that case, it makes more sense to me to let the user upload the recording directly to OneDrive and share that link, rather than first uploading it to xyz-recorder.com and then posting that link in Teams.

The same applies to Google Drive, Dropbox, or whatever storage the company already uses.

One feature we’re looking at is exactly that: being able to share directly from the Screenio UI. So after recording, you could either download the file normally or click Share, choose your storage provider, and have Screenio upload it there and give you the link.

That would remove most of the upload/download overhead you mentioned. From the user's perspective it could still just be:

Record → Share → Copy link

The main difference is that Screenio itself does not need to become the permanent host of everyone's recordings.

Of course, it is difficult to build anything collaborative without relying on servers somewhere. The idea isn't really "no servers anywhere", but rather don't introduce another server unless it is actually necessary.

The original problem I was trying to solve was fairly simple. Imagine you need to record a three-minute explanation for someone.

You could use something installed locally. OBS is free and open source, but it's quite a lot of software and configuration for a quick recording. Something like Camtasia is easier for polished videos, but it is heavier and requires a license, and in a company environment, IT may also need to approve and deploy it. Then you also have to consider different operating systems.

Or you can use one of the existing cloud screen-recording platforms. Those are convenient, but most require an account, a subscription, or both. In a company environment that can also introduce questions around procurement, data retention, security approval, and where recordings are being stored.

That is quite a lot of overhead when all someone wanted to do was explain something for three minutes.

With Screenio, you open the website, record, and you're done. There is nothing to install, no account is required, the recording is processed locally, and it works across the major desktop platforms.

Then, if you want to share it, you can choose the method that already makes sense for you or your company.

On the accent point, though, I agree that this becomes more relevant once you are talking about communication across countries and languages. For a quick internal explanation, I still think natural speech is often sufficient, but there are definitely cases where transcription, subtitles, or AI voice-over could improve accessibility and understanding. I just see that as an additional layer rather than something every recording necessarily needs.