# Convert EPUB, MOBI and AZW3 > Browser-only file conversion. Selected files are processed on this device and are not uploaded to a conversion server. Source: https://localconverter.tech/convert-ebook Browser conversion supports unprotected EPUB to EPUB or TXT; MOBI/AZW3 and ebook page rendering are unavailable. ## Useful tasks - Prepare an unprotected EPUB for another reader - Create a plain-text ebook copy - Render an ebook into a review PDF ## Steps 1. **Choose an unprotected ebook**: Add one EPUB, MOBI or AZW3 with supported contents. For EPUB, required resources must be bundled locally rather than relying on external images, styles or fonts. 2. **Select the reading format**: Choose EPUB, MOBI, AZW3, PDF or TXT for the intended use. Consider whether you need reflowable book structure, fixed pages or a simpler text copy. 3. **Browser conversion supports unprotected EPUB to EPUB or TXT; MOBI/AZW3 and ebook page rendering are unavailable.**: Run Process document and let the local ebook engine create the result. DRM-protected inputs and unsupported resource dependencies fail rather than being silently bypassed. 4. **Review in the target reader**: Download and open the output in its intended application. Check the contents, chapter transitions and illustrations, and review PDF pagination if you chose fixed pages. ## Settings - **Output**: Choose output according to the result you need. Available choices: EPUB; MOBI; AZW3; PDF; TXT. The initial selection is EPUB. ## An EPUB copy for text review An unprotected EPUB contains a short manuscript that needs plain-text review. Choose TXT and convert, then inspect chapter transitions and punctuation in the downloaded file. Retain the EPUB for any illustrations or reading structure that the plain-text copy cannot represent. ## Check the result Browser conversion supports unprotected EPUB to EPUB or TXT; MOBI/AZW3 and ebook page rendering are unavailable. ## Limits - Browser conversion supports unprotected EPUB to EPUB or TXT; MOBI/AZW3 and ebook page rendering are unavailable. - Files are processed on this device. Browser memory and engine-specific limits apply. Save results before reloading. - Browser conversion supports unprotected EPUB to EPUB or TXT; MOBI/AZW3 and ebook page rendering are unavailable. - Upload one file with a combined size of at most 100 MB. The completed output must fit within 200 MB. - Files are checked by the local engine; a matching filename alone is not proof of valid contents. - Selections and completed jobs stay available while you navigate inside this tab. Use My files to revisit results. Reloading or closing the tab clears the workspace; download results you want to keep first. ## Questions ### Can this remove ebook DRM? No. DRM-protected or encrypted ebooks are unsupported. Use an unprotected ebook that you can legitimately process, and obtain an appropriate source copy through the publisher or owner when encryption prevents a normal conversion workflow. ### Will PDF look like an ebook reader screen? Not necessarily. Reflowable ebooks adapt to reader settings, while PDF uses fixed pages determined during conversion. Review page breaks, image sizing and text flow in the actual PDF rather than assuming the source reading layout is preserved. ### Can EPUB depend on online images? The EPUB workflow requires resources to be bundled locally and rejects external resource dependencies. Prepare a self-contained source through your authoring workflow before converting, then check the output illustrations and styles in the target reader. ### What is lost in a plain-text copy? Plain text is useful for words and simple review but cannot retain the ebook’s visual styling, interactive navigation or illustrations as a full reading experience. Keep the original ebook when those structural and visual features remain important. ### Does Convert EPUB, MOBI and AZW3 upload files to another service? Processing runs in this browser, on your device. Files and pasted input are not uploaded to a conversion server. The website and required engine assets must load first; large operations depend on available device memory. ### Can I continue after changing pages? Selections and completed jobs stay available while you navigate inside this tab. Use My files to revisit results. Reloading or closing the tab clears the workspace; download results you want to keep first. ## Related guides - [Merge PDF](https://localconverter.tech/merge-pdf.md) - [Split PDF](https://localconverter.tech/split-pdf.md) - [Images to PDF](https://localconverter.tech/images-to-pdf.md) - [Reorder PDF pages](https://localconverter.tech/reorder-pdf.md) - [PDF to TXT](https://localconverter.tech/pdf-to-txt.md) - [PDF to PNG](https://localconverter.tech/pdf-to-png.md)