Screenshot editor and mockup tool. Capture any page, add backgrounds, effects, and annotations, then export.
Users
1,000
0 in 30 days
Rating
4.7 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#29K
#24K among extensions
Version
1.3.0
updated 10 Sep 2026
Users
monthly, 2 years
Latest, 15 Oct 2026:1,000 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 years
Latest, 15 Oct 2026:3 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About PostSpark - Screenshot Editor & Mockup Tool
PostSpark is a screenshot editor and mockup tool for designers. Capture any web page, make a mockup, and export a finished visual for a portfolio, a client deck, or a case study.
📸 CAPTURE, FOUR WAYS
• Selected area — drag a box around any part of the page
• Element — hover and click one card, nav bar, or modal, cropped cleanly to its edges
• Visible part — what's on screen, one click
• Full page — the whole scrolling page, stitched into a single image
• Delay timer — count down before capture to catch tooltips, dropdowns, and hover states
📱 35 DEVICE MOCKUPS
• Phones, tablets, laptops, desktops, watches, and TV screens
• Portrait and landscape, in multiple colors
🎨 BACKGROUNDS AND DEPTH
• Gradients, meshes, textures, and solid colors
• Browser window frames for web app screenshots
• 3D tilt, shadows, padding, and rounded corners
• Upload your own backgrounds, logos, and stickers to keep client work on brand
✏️ ANNOTATE AND REDACT
• Arrows, rectangles, circles, and a freehand pen
• Text labels and numbered step markers for walkthroughs
• Blur and redact to hide names and emails
• Hundreds of stickers and emoji
📤 EXPORT
• PNG, JPEG, or WebP
• 1:1, 4:5, 9:16, 16:9, and custom sizes for any deck or platform
• High-resolution output, up to 6K
HOW TO USE
1. Click the PostSpark icon in your toolbar.
2. Pick a capture mode: selected area, element, visible part, or full page.
3. The editor opens with your screenshot already placed on the canvas.
4. Edit the frame, background, shadow, and annotate.
5. Export the image, or save the project and come back to it.