CONVERT OPML → TXT (OPML to TXT)
Fast, secure OPML to TXT conversion. No registration required.
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Studio Panel
Ghostscript + QPDFHOW TO CONVERT OPML → TXT
Drop the OPML file
Upload your document — or a ZIP of several documents for batch conversion — through the web form.
Convert through pandoc
Our pandoc-based pipeline opens the OPML, preserves structure and typography, and writes the TXT.
Retrieve the document
Click the download button; the TXT is delivered as a single file (or ZIP of files for batch jobs).
Setup: OPML is a document format oriented around a particular office suite or publishing pipeline. Goal: an interchangeable TXT. A OPML → TXT conversion gives you the right artefact for the next step in the document life cycle. Maybe you are moving from drafting to distribution, or from a proprietary format into an open one, or simply answering a colleague who asked for TXT. KaijuConverter delivers a faithful re-render without any desktop software install. Background. OPML is a document format oriented around a particular office suite or publishing pipeline. Destination side, TXT is the plain-text format — just characters and line breaks, no formatting.
Why convert OPML to TXT
Opening OPML in the tool that natively reads TXT is rarely clean. Converting upstream rebuilds the document in the target format so headings become headings, lists stay lists, and the receiving tool does not flag layout warnings.
OPML vs TXT — 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
- MIME Type
- text/x-opml
- Category
- Documents & Text
- Full Name
- OPML Outline
- Conversion Engine
- PANDOC
TXT
- MIME type
- text/plain
- Extension
- .txt
- MIME Type
- text/plain
- Category
- Documents & Text
- Full Name
- Plain Text
- Conversion Engine
- PANDOC
- Common encodings
- UTF-8, UTF-16, ASCII, ISO-8859-1, Windows-1252
- Line endings
- LF (Unix), CRLF (Windows), CR (classic Mac)
- Max file size
- Limited only by filesystem (no format-level limit)
- Structure
- None — flat sequence of characters
| Specification | OPML | TXT |
|---|---|---|
| MIME type | text/x-opml | text/plain |
| Extension | .opml | .txt |
| Format | XML with nested <outline> elements | — |
| Standard | OPML 2.0 (2006) | — |
| Primary use | RSS subscription interchange | — |
| MIME Type | text/x-opml | text/plain |
| Category | Documents & Text | Documents & Text |
| Full Name | OPML Outline | Plain Text |
| Conversion Engine | PANDOC | PANDOC |
| Common encodings | — | UTF-8, UTF-16, ASCII, ISO-8859-1, Windows-1252 |
| Line endings | — | LF (Unix), CRLF (Windows), CR (classic Mac) |
| Max file size | — | Limited only by filesystem (no format-level limit) |
| Structure | — | None — flat sequence of characters |
OPML vs TXT — 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.
TXT Strengths
- Universally readable — every operating system, every editor, every programming language.
- Zero metadata overhead: the file size equals the character count (for ASCII).
- Safe to diff, grep, version-control, and pipe through command-line tools.
- Immune to format obsolescence: a text file from 1970 still opens today.
- Tiny footprint for structured data like logs or configuration.
Limitations
- No styling, images, or embedded structure — just characters.
- Character encoding ambiguity (ISO-8859-1 vs UTF-8 vs Windows-1252) causes "mojibake".
- Line-ending differences between OSes still cause subtle bugs today.
Quality & Compatibility
Headings, paragraphs, lists, tables, hyperlinks and inline images all survive the conversion with their semantic structure intact. Rare features unique to OPML — legacy macros, form fields, obscure frame styles — are flattened to static content where no direct TXT equivalent exists. Tracked changes, where both formats support them, transfer cleanly.
Tips for Best Results
- Round-tripping between OPML and TXT (converting back and forth) can accumulate small formatting drift — do one conversion and stay in that format.
- If the OPML has tracked changes, accept or reject them before converting to avoid surprises in the TXT output.
- Very long documents split cleanly at existing section breaks; add section breaks deliberately if you need precise page boundaries.
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 TXT at full resolution, editable tables become native TXT tables, and hyperlinks keep their URLs. Complex features unique to OPML — macros, form fields, track-changes — are mapped where an equivalent exists in TXT 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.
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.
Plain Text
Target formatTXT files contain unformatted plain text with no styling, images, or layout information. They are universally readable by any device and operating system, making them the simplest document format.
Going the other way? Convert TXT back to OPML with the same engine.
Common Use Cases
Share across platforms
Send TXT files to anyone without worrying about whether they have the right software for OPML.
Embed in documents
Drop TXT output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
TXT 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 TXT — Typical file sizes
Approximate file sizes for common scenarios.
- Typical RSS reader export (50 feeds) 5-30 KB
- Deep outline (Scrivener novel plan) 20-200 KB
- Short note < 1 KB
- README file 2–20 KB
- Full novel (~90,000 words) 500 KB – 1 MB
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Convert thousands of camera RAW files (CR3, NEF, ARW) to WebP, AVIF, or TIFF in one pass.
GPU-accelerated RAW development with end-to-end 16-bit ICC color profile management.
Related comparisons
See these formats side by side to understand which fits your use case best.
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