PNG to ELECTRONIC Publication conversion is the process of transforming one or more PNG image files into a single EPUB file, packaging images and optional metadata into the open EPUB format for reading on e‑readers and apps. This conversion typically wraps PNG images as pages or embedded graphics inside HTML/XHTML content and generates the necessary EPUB manifest, spine, and navigation files so the result behaves like a standard ebook.
Related guides
Practical guides to help you choose formats, preserve quality, and avoid common conversion problems.
Learn how to convert photos for social media the right way. This guide covers the best image format for Instagram, Facebook, LinkedIn, and X, common social media image sizes, handling HEIC from iPhone, sRGB color, aspect ratios, and how to resize photos for social so your uploads stay sharp.
Read guide →Choosing between image file formats affects quality, speed, compatibility, privacy, and long-term storage. This guide explains JPG vs PNG vs WebP, when newer formats like AVIF and HEIC make sense, and how to pick the best image format for photos, screenshots, logos, ecommerce images, print files, archives, transparency, animation, and everyday conversion workflows.
Read guide →Product photos are rarely ready for every marketplace the moment they leave a camera or design tool. Shopify, Etsy, Amazon, eBay, and WooCommerce each have different expectations for file type, dimensions, background, compression, and zoom quality. This guide explains how to convert product images cleanly, choose the right ecommerce formats, preserve detail, and prepare reliable batches for faster listings.
Read guide →Drag your .png file from your computer or use the browse function.
Confirm .epub as the selected destination format.
Click "Convert" and download your converted .EPUB file once ready.
PNG files use the MIME type image/png and are losslessly compressed raster images widely used for graphics on the web. EPUB files use the MIME type application/epub+zip and package XHTML content, images, stylesheets, and metadata in a compressed ZIP container. EPUB supports codecs for embedded audio and video, enhancing multimedia capabilities in electronic publications.
The ELECTRONIC Publication (.EPUB) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like PNG.
While specific technical details aren't available here, ELECTRONIC Publication files generally serve the purpose of storing image effectively within their domain.
Easily convert your PNG images to EPUB electronic publications with our intuitive online PNG to EPUB converter. Whether you want to create eBooks or digital documents, our tool ensures a smooth and efficient conversion process without any software installation.
PNG is a static image format ideal for high-quality graphics but lacks text reflow and scalability. EPUB is a dynamic electronic publication format designed for digital reading devices, offering flexible layouts and interactivity. Unlike PNG, EPUB files enable users to customize font size and style for improved readability.
Keep individual PNG files under 5–10 MB when possible to ensure responsive conversion and good reader performance; aim for total EPUB size < 50–100 MB for wide device compatibility.
Preserve visual quality by using high-resolution PNGs sized to the target device DPI; for reflowable EPUBs consider exporting images at 150–300 DPI and use CSS to scale.
For many-page documents, batch-convert using ZIP upload or a tool that accepts multiple files and preserves filename order (use zero-padded numbering like 001.png, 002.png).
Limitations: EPUB reflowable layouts are not ideal for complex layered PNGs or transparency-heavy artwork—use fixed-layout EPUB for pixel-perfect page reproduction.
This converter made turning my PNG illustrations into an EPUB so simple and fast.
Anna M.
Author
The online tool is reliable and preserves image quality perfectly during conversion.
John K.
Publisher
I love how easy it is to produce EPUB files from my PNG designs without any hassle.
Lisa R.
Designer
Start your free PNG to EPUB conversion now.
Drag your file here to to upload.
Up to 250MB
If you need smaller file sizes, consider converting some PNGs to progressive JPEG within the EPUB (loses transparency) or reduce color depth for graphics-heavy pages.