Uwarp

Capture a screenshot to preview it here

Timer delay (seconds)

Your browser will ask which screen, window, or tab to share.

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Print screen and screenshot tool online

Take a screenshot on PC in your browser. Capture full screen, app window, or tab with timer delay, then download PNG.

What is an online print screen tool?

An online print screen tool captures frames from your shared screen source directly in browser. It helps when you need a quick screenshot on PC or Windows without installing extra software, then saves the captured result as PNG.

Print screen and screenshot features

Browser-based workflow for PC screenshot capture and PNG download.

  • Timer delay

    Capture with configurable countdown.

  • Sound toggles

    Optional beep and shutter sound effects.

  • Screen/window/tab selection

    Use browser picker to choose capture source.

  • Instant preview

    Review screenshot before download.

  • PNG export

    Download captured image as PNG.

How to print screen online

Take a screen shot on PC in a few steps.

  1. Set timer and sounds

    Configure delay plus beep/shutter preferences.

  2. Click Capture

    Start countdown and open browser source picker.

  3. Choose source

    Select entire screen, app window, or browser tab.

  4. Download PNG

    Save captured image from preview panel.

Tips for clean screenshots

Get better captures with timing and source selection.
  • 01

    Use delay for setup

    Set 3–5 seconds to arrange windows before capture.

  • 02

    Capture a single window

    Avoid exposing unrelated content from full-screen share.

  • 03

    Check preview first

    Confirm content and framing before download.

Screenshot Editing Tools Compared — Which One Fits Your Workflow

How this free screenshot editor stacks up against other popular online tools for annotating screenshots.

  1. Lightshot

    Popular screenshot tool with annotation editor. Downloadable app and browser extension. Quick annotation tools.

  2. Snip & Sketch (Windows)

    Built-in Windows screenshot tool with basic annotations. OS-specific.

  3. CleanShot.com

    Professional screenshot tool. Paid software with rich features.

  4. Flameshot.org

    Open-source screenshot editor. Desktop download required. Feature-rich.

  5. Print Screen — Screenshot Editor

    Annotate screenshots in your browser. Upload or paste screenshot, add arrows, text, shapes, highlights. Download as PNG. All in browser.

Great for

Common screenshot workflows.

  • Quick tutorials

    Capture UI states after countdown.

  • Bug reporting

    Save reproducible windows or tabs.

  • Documentation

    Generate screenshots for guides and notes.

Why use this tool

No-install screenshot capture in browser.

  • No desktop app

    Works with browser screen-capture API.

  • Fast workflow

    Capture and download in one page.

  • Private

    No server upload of captured content.

Technical details

How capture works.
API
Uses `navigator.mediaDevices.getDisplayMedia` video stream.
Frame extraction
Renders video frame to Canvas and exports PNG.
Scope
User chooses source via browser permission prompt.

Sources & References

Authoritative references on screenshots and the browser technology this tool uses.
  • “A screenshot is a digital image that shows the contents of a computer display.”
    — Wikipedia — Screenshot

    Screenshot: This article defines what a screenshot is and explains how screen capture works across operating systems — the fundamental concept behind this print screen tool. en.wikipedia.org/wiki/Screenshot

  • “The Canvas API provides a means for drawing graphics via JavaScript and the HTML canvas element.”
    — MDN Web Docs — Canvas API

    Canvas API (client-side image rendering): This tool captures a video frame from getDisplayMedia and renders it to a Canvas element for PNG export. MDN documents the MediaStream and Canvas APIs used in this workflow. developer.mozilla.org/en-US/docs/Web/API/Canvas_API

  • “PNG supports lossless data compression, making it useful for storing graphics that need to be edited repeatedly without losing quality.”
    — W3C — PNG Specification (overview)

    PNG image format: Screenshots are exported as PNG to preserve every pixel of the captured display without compression artifacts. The W3C PNG specification describes why PNG is ideal for screenshots. w3.org/TR/PNG/

  • “A screenshot is a digital image that shows the contents of a computer display.”
    — Wikipedia — Screenshot

    Screen capture utilities: This tool helps create printable reference images from screenshots by standardizing their dimensions — useful for documentation, tutorials, and printed materials. en.wikipedia.org/wiki/Screenshot

Frequently Asked Questions

Quick answers about this tool—open a question to read more.