DJVU vs RST
A detailed comparison of DjVu Document and reStructuredText — file size, quality, compatibility, and which format to choose for your workflow.
DjVu Document
Documents & TextDjVu is a document format designed for scanned documents with high compression.
About DJVU filesreStructuredText
Documents & TextRST (reStructuredText) is a lightweight markup language used in Python documentation.
About RST filesStrengths Comparison
DJVU Strengths
- Extreme compression for scanned documents — typically 5-10× smaller than PDF.
- Preserves OCR text layer alongside scanned image.
- Mature archival format at Internet Archive, Wikipedia, academic libraries.
- Separate foreground/background layers compress each content type optimally.
RST Strengths
- Rich directives for admonitions, code, math, and custom elements.
- Cross-references work within and across documents.
- Sphinx ecosystem offers best-in-class Python docs output.
- Standardized as part of Python PEP infrastructure.
- Plain text, version-controllable.
Limitations
DJVU Limitations
- No native browser support since the NPAPI era (~2015).
- Tooling outside Linux is sparse.
- Encoding requires the proprietary LizardTech/Caminova toolchain or djvulibre.
- PDF/JBIG2 now covers most of DjVu's use cases with wider compatibility.
RST Limitations
- Syntax denser than Markdown — higher learning curve.
- Less widely adopted than Markdown outside Python world.
- Multiple directive dialects (Sphinx, Docutils, custom) create fragmentation.
- MyST (Markdown + Sphinx) has pulled many Python projects toward Markdown.
Technical Specifications
| Specification | DJVU | RST |
|---|---|---|
| MIME type | image/vnd.djvu | text/x-rst |
| Extensions | .djvu, .djv | — |
| Compression | Wavelet (IW44) + JB2 for line art | — |
| Invented at | AT&T Labs (1996) | — |
| Reference tool | djvulibre (open source) | — |
| Extension | — | .rst |
| Toolchain | — | Docutils, Sphinx, Read the Docs |
| Encoding | — | UTF-8 |
| Related formats | — | MyST (Markdown + RST directives) |
Typical File Sizes
DJVU
- Scanned page (B&W, text-only) 10-30 KB
- Scanned page (color, illustrations) 40-150 KB
- 300-page scanned book 5-30 MB
RST
- API reference page 5-50 KB
- Sphinx project chapter 20-100 KB
- Full library documentation 500 KB - 10 MB
Ready to convert?
Convert between DJVU and RST online, free, and without installing anything. Encrypted upload, automatic deletion after 60 minutes.
Frequently Asked Questions
DJVU (DjVu Document) is a document format used to store paginated text, with optional formatting, tables, images, hyperlinks, headers and footers. It sits in the documents & text family and is typically associated with a specific office suite or publishing pipeline that defined the format and ships the canonical reader.
DJVU (DjVu Document) is a document formato used to store paginated text, com optional formatoting, tables, images, hyperlinks, headers e footers. It sits no documents & text family e is tipicamente associated com a specific office suite ou publishing pipeline that defined the formato e ships the canonical reader.
Modern office suites — Microsoft Word, Google Docs, LibreOffice Writer, Apple Pages — open most DJVU files with reasonable fidelity. If your installed software does not support DJVU, convert to DOCX or PDF first using KaijuConverter; both open in virtually every reader, including free online viewers.
Modern office suites — Microsoft Word, Google Docs, LibreOffice Writer, Apple Pages — abrir most DJVU arquivos com reasonable fidelity. If your installed software does not support DJVU, converter to DOCX ou PDF first usando KaijuConverter; both abrir in virtually every reader, including grátis online viewers.
Upload the DJVU to KaijuConverter and pick DOCX, PDF, ODT, RTF, HTML, Markdown, or plain text. Our pipeline runs LibreOffice headlessly plus pandoc for text formats — the same engines behind professional document pipelines. Styles, tables, images, and hyperlinks survive the conversion intact.
Yes, to a high degree. Standard fonts, headings, lists, tables, images, hyperlinks and page structure transfer cleanly. Custom fonts substitute to the closest match if not embedded; obscure layout features unique to DJVU (frames, legacy macros) may flatten to static content in the target format.