Free Online Screen Recorder With Auto Zoom (No Download)

An online screen recorder lets you record your screen from a web page, without installing software, then trim it and download a video. This guide covers the free online screen recorders worth using, what a browser can and can't record (tabs, windows, the whole screen, system audio), and how to add zooms, a background and captions so the result looks finished. It also covers when a browser recorder isn't enough and a small download is worth it.

How we checked this. We make ZoomCap and test its browser recorder in Chrome and Edge ourselves. The browser limits below describe how Chrome and Edge implement screen capture; details can change between browser versions. Cursorful and Loom details come from each vendor's site, checked September 2026; OBS details come from its site. Our method is on the how we test page.

How online screen recording works

Every browser-based screen recorder uses the same browser feature, called getDisplayMedia. When you press record, the browser (not the website) shows a picker with three choices:

• A browser tab. Only that tab is recorded, even if you switch to another window. This gives the cleanest result for web-app demos, and tab audio is available.
• A window. One app window, such as your IDE or a design tool.
• Your entire screen. Everything on one display, including notifications, so turn on Do Not Disturb first.

The site never gets access to anything you didn't pick, and the browser shows a sharing indicator the whole time. Your camera and microphone are separate permissions, asked for by the browser the first time. If either doesn't show up, check them before you record with our free webcam and mic test.

What a browser can't do (the honest limits)

Recording in a browser is convenient, and it has real limits compared with a desktop app:

• System audio varies by OS and browser. In Chrome and Edge, sharing a tab lets you include that tab's sound on every desktop OS. Sharing the whole computer's audio when you record the entire screen works on Windows and ChromeOS; on macOS and Linux it depends on your browser and OS version. The rule of thumb: if the picker shows a share-audio checkbox, tick it. If it doesn't, you'll get your mic only.
• No clicks outside the page. A website can only see mouse clicks inside its own tab. So a browser recorder can't know where you clicked in another app, and can't zoom automatically on those clicks. Extensions like Cursorful get around this for browser tabs; desktop apps get around it for everything.
• The cursor is captured as drawn. You can't hide, resize or smooth the cursor afterwards, because there's no separate cursor data.
• Expect about 30fps. ZoomCap's browser recorder asks the browser for 30fps. That's fine for demos; it's not for fast-moving games.
• The tab has to stay open. Closing or reloading the recorder tab ends the take. Keep takes short so an accident costs you little.
• Browser support. ZoomCap's recorder supports Chrome and Edge. Other browsers implement screen capture differently, and some offer fewer options in the picker.

Free online screen recorders compared

1. Why ZoomCap's free browser recorder

We make ZoomCap, so weigh this section accordingly. Its browser recorder runs in Chrome or Edge on any OS, including Windows, ChromeOS and Linux on Wayland. It records a screen, window or tab plus your camera and mic, then opens the recording in an editor in the same browser. Of the options in the table, it's the only one that needs no install at all, keeps the video on your computer, and allows commercial use on the free plan.

Step by step

1. Check your camera and mic with the webcam and mic test if you'll appear on camera or narrate.
2. Open /record in Chrome or Edge and choose whether to include your camera and mic.
3. Pick what to share in the browser's picker: a tab, a window or the entire screen. Tick the share-audio checkbox if it's there and you want sound from the page or system.
4. Record your demo, then stop. The recording opens in the editor.
5. Add zooms by hand. Put a zoom at each moment you want the viewer to look closely, and set the area it zooms into. Two or three well-placed zooms in a one-minute demo usually do more than ten.
6. Finish it: background, padding, rounded corners, a macOS-style window frame, crop, a webcam bubble (circle or rounded square), automatic captions transcribed in your browser, one of seven built-in music tracks, and an aspect ratio of 16:9, 9:16, 1:1 or 4:3.
7. Export an MP4 from 720p up to 4K, or a GIF. The free plan includes 2 exports a month with a small watermark.

Need a smaller file afterwards? Our free video compressor and MP4 to GIF converter also run in the browser.

Its limits, plainly. On browser recordings you place zooms yourself, for the reason above: the page can't see your clicks in other apps. Automatic zoom from clicks and typing comes with ZoomCap's command-line recorder on macOS and Linux X11, part of the paid plans. There's also no motion blur, speed changes apply to the whole video (1×, 1.5× or 2×), and there are no hosted share links: you download a file and share it yourself.

Price and safety. Free covers the browser recorder and editor with 2 watermarked exports a month, and commercial use is allowed. The paid plans are $29 once or $12.49 a month for unlimited exports with no watermark, plus the CLI. Recordings are edited and exported on your computer and never uploaded (see our security page); payments go through Dodo Payments, with a refund within 14 days if it doesn't work for you and we can't fix it (refund terms).

2. If you want automatic zoom on web-app tabs: Cursorful

Cursorful is a Chrome, Edge or Brave extension on any OS. Because it's an extension rather than a web page, it can see your clicks inside the tab you record, and according to its site it zooms automatically after 2+ clicks within 3 seconds. It renders locally in the browser.

• Free plan: Free for non-commercial use, browser-tab recording.
• Pro: $79 once (Pro, commercial use).
• Refund: 14 days.

When it fits: your demo lives entirely in one browser tab and you want zooms placed from your clicks there. You install an extension first, the free plan is non-commercial, and it records browser tabs only, so it can't show a terminal or desktop app.

3. If you need a share link the moment you stop: Loom

Loom records through its Chrome extension or desktop app and uploads to its cloud, which gives you a share link as soon as you stop. According to its pricing page (checked September 2026), the free plan's limits are: 25 videos per person, 5-minute limit, 720p.

When it fits: async updates, code-review walkthroughs and bug reports to teammates, where the link matters more than the look. It has no automatic zoom and 720p on free is soft for small UI text, so it's a weaker fit for demos that sell; we explain the difference in Loom for messages vs demos.

4. If you'll install an app and need unlimited free exports: OBS Studio

If you can install an app, OBS Studio removes every browser limit. Free and open source (GPL-2.0), no limits: any source, system audio, high frame rates, no watermark, no export cap. It runs on Windows, macOS 12+, Linux. It doesn't edit or zoom automatically, so you'd finish the video elsewhere. You can open an OBS recording in ZoomCap's editor on the free plan and place zooms by hand; we compare them in OBS vs ZoomCap.

If you want a free download that also zooms automatically, OpenScreen and Recordly both do, on macOS, Windows and Linux. OpenScreen: Free for personal and commercial use, no watermark, no account (MIT). Recordly: Free and open source (AGPL-3.0), no limits.

5. The recorder already on your computer

For a quick raw clip, you may not need a website at all:

• Mac: Shift-Command-5 opens the screenshot toolbar with screen-recording options. What it captures for audio depends on your macOS version; see does Cmd+Shift+5 record audio.
• Windows 11: Snipping Tool has a Record mode for an area of the screen, and Xbox Game Bar (Win+Alt+R) records the active app window, but not the desktop or File Explorer.
• Linux: GNOME records with Shift+Ctrl+Alt+R, and KDE's Spectacle can record the screen.

These give you an unedited file with no zoom or background. You can drop it into an editor afterwards; see how to zoom in on a screen recording.

When a browser recorder isn't enough

If you record demos every week and placing zooms is the slow part, ZoomCap's CLI does it for you. On macOS or Linux X11, npx zoomcap record captures clicks and typing, then opens the same editor with zooms already placed. It comes with the paid plans ($29 once), with no separate app to install; our command-line screen recorder guide walks through it. On Windows, the browser recorder is the ZoomCap route today; our Screen Studio for Windows guide covers the options there.

When not to use ZoomCap

Don't use ZoomCap's browser recorder if you need a share link the moment you stop (Loom), if you need more than 2 watermark-free videos a month at $0 (OBS, OpenScreen or Recordly), or if you need 60fps capture or complex scenes (OBS).

Frequently asked questions

Record now, free

Open the browser recorder in Chrome or Edge and record your first video with no download and no card. When you want exports without the watermark, it's $29 once on the pricing page.

Related: screen recorders with auto zoom compared, how to record a product demo and our pricing page.