Convert HTM to PNG — Free Online Converter
Convert HTML Document (.htm) to Portable Network Graphics (.png) online for free. Fast, secure document conversion with no watermarks or registration.
Conversion settings — add a file to adjust
About HTML to PNG Conversion
HTM files store web page content with the shortened three-letter extension. PNG (Portable Network Graphics) is a lossless image format that supports full-color images with alpha transparency. Unlike JPEG, PNG preserves every pixel without compression artifacts, making it ideal for screenshots, diagrams, text-heavy images, and graphics with sharp edges.
Converting HTM to PNG renders the complete web page through a browser engine and captures the result as a pixel-perfect lossless image. Every CSS style, font rendering, shadow, gradient, and layout detail is preserved exactly as it appears in the browser, with no lossy compression to degrade text clarity or edge sharpness.
Why Convert HTML to PNG?
PNG is the preferred format for web page screenshots when text clarity is critical. Design review, documentation, and bug reporting all benefit from the lossless PNG format because JPEG compression can blur fine text and UI details. PNG also supports transparency, so if the HTM page has transparent backgrounds, those are preserved in the output.
Automated testing pipelines use HTM-to-PNG conversion for visual regression testing — comparing pixel-perfect screenshots across builds to detect unintended UI changes. Marketing teams create high-quality preview images of web pages for case studies and portfolios. Technical writers embed PNG screenshots in documentation because the lossless quality ensures readability at any zoom level.