Figma
figma.com
Collaborative interface design in the browser
Combines images into one, side by side, stacked or in a grid, right in the browser
Combines PNG, JPG and WebP files into one image side by side, stacked vertically or in a grid, with spacing, background and border settings, and exports it as PNG, JPG or WebP. It also converts static WebP images to PNG, keeping transparency and the original dimensions, and turns PNG files into a PDF. Everything runs in the browser, so images are never uploaded, and the tools are free with no sign-up or watermark, converting up to 50 WebP files at a time. Pro, at $4.99 a month or $39 a year with no free trial, raises a WebP batch to 500 files and adds filename patterns, folder paths kept inside the ZIP and saved presets.
Free plan, no card required
Ongoing free tier published by the vendor. Limits vary by plan.
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Entry prices across Design & Creative, cheapest first.
20 of these 23 prices were read from the vendor's own pricing page; the rest are marked * and are indicative. The median is taken across the 20 verified prices in Design & Creative. 1 more tool in this category has no monthly price and is not plotted. Showing the 10 cheapest. 1 more starts at $10 too.