CONVERT
OPML → TYPST
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Fast, secure OPML to TYPST conversion. No registration required.
Setup: OPML is a document format oriented around a particular office suite or publishing pipeline. Goal: an interchangeable TYPST. Converting OPML to TYPST online saves installing office suites you use once a year. Upload the document, let the server render it through the same pipeline large publishers use, and download a polished TYPST that keeps its original structure and typography. In practice OPML is a document format oriented around a particular office suite or publishing pipeline. On the other end, TYPST is a document format oriented around a particular office suite or publishing pipeline.
OPML Outline
Source formatOPML (Outline Processor Markup Language) is an XML format for structured outlines and lists. It is most widely used for exchanging RSS feed subscription lists between podcast apps and feed readers, and for hierarchical note-taking.
Typst Document
Target formatTypst is a modern typesetting system designed as a more accessible alternative to LaTeX. It compiles documents to PDF with fast incremental compilation, combining a markup syntax with a scripting language for templates and programmatic content.
Why convert OPML to TYPST
The driver for a OPML to TYPST conversion is almost always the downstream audience: the editor, archivist, signer or reader who expects a TYPST. Doing the conversion in a proper rendering pipeline, rather than hoping the receiving tool will figure it out, avoids layout drift and font substitutions.
HOW TO CONVERT
OPML → TYPST
Provide the document
Select a OPML file. Very large documents (100+ pages) may take a few extra seconds to render completely.
Render to TYPST
LibreOffice plus supporting filters translate the OPML into a fully-formed TYPST with no structural drift.
Save the result
The converted TYPST streams back over HTTPS; open in the target application to verify formatting.
Common Use Cases
Share across platforms
Send TYPST files to anyone without worrying about whether they have the right software for OPML.
Embed in documents
Drop TYPST output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
TYPST often produces smaller files than OPML for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
OPML vs TYPST — Strengths and limitations
What each format does best, and where it falls short.
OPML Strengths
- Standard RSS subscription interchange format.
- Simple XML — easy to parse and generate.
- Highly extensible via arbitrary attributes.
- Supported by every major outline and RSS tool.
Limitations
- XML verbosity — larger than a JSON-based equivalent.
- Specification is loose — different tools disagree on edge cases.
- Primary use (RSS reading) has shrunk dramatically since Google Reader.
TYPST Strengths
- Compiles 100× faster than LaTeX on equivalent documents.
- Clean, readable syntax — Markdown-like simplicity with real language features.
- Built-in collaborative web editor.
- Open source under Apache 2.0.
- Modern type system — every function call type-checked.
Limitations
- Young ecosystem — package count is a tiny fraction of LaTeX CTAN.
- Academic journal submission pipelines still default to LaTeX.
- Advanced mathematical typography still trails LaTeX in some edge cases.
OPML vs TYPST — Technical specifications
Side-by-side comparison of the technical details.
OPML
- MIME type
- text/x-opml
- Extension
- .opml
- Format
- XML with nested <outline> elements
- Standard
- OPML 2.0 (2006)
- Primary use
- RSS subscription interchange
TYPST
- MIME type
- text/x-typst
- Extension
- .typ
- Encoding
- UTF-8
- Output
- PDF, PNG, SVG
- Compiler
- Rust-based, open-source Apache 2.0
| Specification | OPML | TYPST |
|---|---|---|
| MIME type | text/x-opml | text/x-typst |
| Extension | .opml | .typ |
| Format | XML with nested <outline> elements | — |
| Standard | OPML 2.0 (2006) | — |
| Primary use | RSS subscription interchange | — |
| Encoding | — | UTF-8 |
| Output | — | PDF, PNG, SVG |
| Compiler | — | Rust-based, open-source Apache 2.0 |
OPML vs TYPST — Typical file sizes
Approximate file sizes for common scenarios.
OPML
- Typical RSS reader export (50 feeds) 5-30 KB
- Deep outline (Scrivener novel plan) 20-200 KB
TYPST
- Short paper source 2-20 KB
- Thesis with figures 50-500 KB
- Book-length source 500 KB - 3 MB
Quality & Compatibility
The conversion preserves document structure rather than pixel-perfect rendering: a paragraph in OPML is a paragraph in TYPST, not a bitmap snapshot. That means you can still edit and search the TYPST. If you need exact visual fidelity (for legal or print workflows), export to PDF as the final step.
Tips for Best Results
- Run a spell-check in the TYPST after conversion — occasionally hyphenation or language tagging shifts and typos become invisible to the original checker.
- Include fallback generic fonts (sans-serif, serif) in your style definitions so the TYPST degrades gracefully when a font is missing on a viewer device.
- For archive-quality output, export to PDF/A after converting to TYPST; this locks the document against future rendering drift.
Frequently Asked Questions
Yes, as long as the fonts are standard (system fonts or common office fonts like Arial, Calibri, Times, Helvetica). Custom corporate fonts survive if they are embedded in the source document; otherwise the conversion substitutes the closest available match, which can shift line breaks by a character or two.
Yes. Inline images are embedded into the TYPST at full resolution, editable tables become native TYPST tables, and hyperlinks keep their URLs. Complex features unique to OPML — macros, form fields, track-changes — are mapped where an equivalent exists in TYPST and flattened into static content otherwise.
All uploads go over TLS, files are processed in isolated containers and both the source and the output are deleted within two hours. No account is required, file contents are never indexed or used for training, and the paid plan adds a signable data-processing agreement for regulated workflows.
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