Launched this week

MockupSizer Studio

Launched this week

Free, 100% private tool to resize images & create mockups

2 followers

Free, 100% private tool to resize images & create mockups

2 followers

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Free social media toolkit: Crop images pixel-perfect for Instagram, LinkedIn, TikTok & YouTube and create photo-realistic mockups. 100% local in your browser.

Free

Launch tags:Web App•Design Tools•Social Media

Launch Team

Zendesk for StartupsUp to 2 years free for startups + AI Agents & Copilot

Promoted

Maker

📌

Hey Product Hunt! 👋 I built MockupSizer because I got endlessly frustrated with online editing tools that require sign-ups, slap watermarks on your work, or force you to upload private files to random cloud servers. MockupSizer is a 100% free, client-side web application. All image processing, resizing, and mockup generation happen right inside your browser using the HTML5 Canvas API—your files never leave your device. I'd love to hear what you think, what features you're missing, or how it fits into your creator workflow! Let me know in the comments. 🚀

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2d ago