Any file up to 500 MB. Drop several files and they come back as one ZIP. Many image, audio and video conversions run in your browser; anything else is uploaded and removed within the hour.
Convert your EPUB e-books into Markdown files effortlessly. This tool is perfect for writers and developers who need to extract text from structured digital books into a lightweight, plain-text format.
EPUB is a complex, containerized format designed for digital reading devices, utilizing XHTML and CSS to manage layout and metadata. In contrast, Markdown (MD) is a clean, human-readable syntax that strips away structural bloat, leaving only the text and basic formatting elements. When converting EPUB to MD, our engine parses the internal XHTML structure and maps the document elements into standard Markdown syntax, ensuring the narrative flow remains intact while removing proprietary e-reader styling.
The conversion is entirely lossless regarding the text content; all characters, paragraphs, and headings are preserved perfectly in the Markdown structure.
We built this project so anyone can convert files without paywalls, accounts, or hidden limits. Here is what that promise means in practice.
Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.
Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.
A quick guide to strengths and trade-offs of popular formats — so you pick the right one before converting.
Office files, PDFs, ebooks, and plain text.
Common extensions: PDF, DOCX, XLSX, PPTX, ODT, EPUB, TXT
Raster and vector graphics for web, print, and photography.
Common extensions: PNG, JPG, WebP, AVIF, GIF, SVG, HEIC, TIFF
Clips, streams, screen recordings, and movies.
Common extensions: MP4, WebM, MOV, MKV, AVI, MPEG
Music, podcasts, voice recordings, and sound effects.
Common extensions: MP3, WAV, FLAC, OGG, AAC, M4A, OPUS
