CONVERT
T2T → HTML
Tap to choose your fileDRAG. DROP. DONE.
Upload any file and our engines will handle format detection automatically.
Max 25 MB · Free plan · No signup required
Convert to:
Detecting available formats...
Optimize for
Leave empty to use original name. Extension added automatically.
Uploading...
Processing your file...
Fast, secure T2T to HTML conversion. No registration required.
Here is the short version — T2T is a document format oriented around a particular office suite or publishing pipeline. Hence the need for HTML. Converting T2T to HTML keeps the document's content but changes how it is distributed. txt2tags may be the right editing format; HTML Document may be the right delivery format (or vice-versa). KaijuConverter renders the document through a LibreOffice + pandoc pipeline so headings, paragraphs, lists, tables, images and hyperlinks survive the round-trip intact. A quick refresher — T2T is a document format oriented around a particular office suite or publishing pipeline. By contrast, HTML is the web's HyperText Markup Language, the universal document format for browsers.
txt2tags
Source formattxt2tags is a minimal markup language that can be converted to many output formats including HTML, LaTeX, DocBook, and plain text. Its syntax is intentionally simple, using only ASCII characters for all formatting directives.
HTML Document
Target formatHTML is the standard markup language for web pages. As a conversion target or source, it carries text content with structural and formatting information that can be extracted or repurposed.
Why convert T2T to HTML
T2T and HTML both describe paginated text, but they target different parts of the document life cycle. T2T is usually editable; HTML is usually final. Converting is about moving from editing to distribution (or the other way round) without losing headings, styles, tables or embedded images along the way.
HOW TO CONVERT
T2T → HTML
Upload your T2T
Drop the document onto the uploader. We transfer over HTTPS and keep the file in an isolated processing container.
Render with LibreOffice
LibreOffice opens the T2T headlessly and writes it as HTML with styles, tables and images mapped across.
Download the HTML
The HTML is ready to download; typography, pagination and embedded assets match what you saw in the source.
Common Use Cases
Share across platforms
Send HTML files to anyone without worrying about whether they have the right software for T2T.
Embed in documents
Drop HTML output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
HTML often produces smaller files than T2T 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.
T2T vs HTML — Strengths and limitations
What each format does best, and where it falls short.
T2T Strengths
- Plain-text source → multi-format output.
- Simple syntax.
- Tiny implementation.
Limitations
- Superseded by Pandoc.
- Tiny ecosystem.
- Limited modern tooling.
HTML Strengths
- Universal — every browser, OS, email client, and document reader displays HTML.
- Plain text, human-readable, grep-able, and diffable in git.
- Flexible — pages render even with broken or partial markup (error-tolerant parser).
- Carries structure, styling (CSS), and behavior (JavaScript) in one file.
- Accessibility-friendly when written with semantic tags and ARIA attributes.
Limitations
- Error tolerance allows sloppy markup to hide real bugs.
- Rendering depends on browser engine — pixel-perfect cross-browser output is an art form.
- Security-sensitive — unsafe HTML can execute scripts or leak data (XSS vulnerabilities).
T2T vs HTML — Technical specifications
Side-by-side comparison of the technical details.
T2T
- MIME type
- text/x-txt2tags
- Extension
- .t2t
- Targets
- 15+ formats including HTML, LaTeX, man, Wiki
HTML
- MIME type
- text/html
- Extensions
- .html, .htm
- Standard
- HTML Living Standard (WHATWG)
- Character encoding
- UTF-8 (recommended)
- Element count
- ~110 in current spec
| Specification | T2T | HTML |
|---|---|---|
| MIME type | text/x-txt2tags | text/html |
| Extension | .t2t | — |
| Targets | 15+ formats including HTML, LaTeX, man, Wiki | — |
| Extensions | — | .html, .htm |
| Standard | — | HTML Living Standard (WHATWG) |
| Character encoding | — | UTF-8 (recommended) |
| Element count | — | ~110 in current spec |
T2T vs HTML — Typical file sizes
Approximate file sizes for common scenarios.
T2T
- Short article source 2-20 KB
HTML
- Hello-world page < 1 KB
- Blog post (rendered HTML) 5-40 KB
- Modern SPA (initial HTML shell) 50-200 KB
- Full archived web page (with inline assets) 500 KB - 10 MB
Quality & Compatibility
LibreOffice handles the heavy lifting and maps the overwhelming majority of T2T features to their HTML equivalents. Standard system fonts (Arial, Calibri, Times, Helvetica) transfer exactly; corporate or custom fonts are substituted with the closest available match, which can shift line breaks by a character or two. Inline images embed at original resolution.
Tips for Best Results
- Embed fonts in the T2T before uploading if you use non-system fonts — it guarantees the HTML renders identically on any viewer.
- Check tables, figure captions and page headers after conversion; complex layouts occasionally need a minor nudge in the target application.
- For documents with a table of contents, refresh the TOC field after opening the HTML so page numbers reflect the new pagination.
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 HTML at full resolution, editable tables become native HTML tables, and hyperlinks keep their URLs. Complex features unique to T2T — macros, form fields, track-changes — are mapped where an equivalent exists in HTML 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.
RELATED CONVERSIONS
Other popular pairs involving T2T or HTML
More from T2T
More ways to reach HTML
Related comparisons
See these formats side by side to understand which fits your use case best.
Related Guides
HTML Format: The Complete Guide to the Web's Document Language
Complete guide to HTML as a file format: document structure, DOCTYPE, semantic elements, metadata, inline vs external CSS/JS, and converting HTML to PDF, DOCX, Markdown, or plain text.
Read guideGenerating PDFs from HTML with Python: WeasyPrint and pdfkit
Learn to convert HTML to PDF with Python using WeasyPrint, pdfkit and xhtml2pdf. Create professional invoices, reports and documents with full CSS, headers, footers and page numbers.
Read guideConverting Markdown to HTML with Python
Complete guide to converting Markdown to HTML with Python. python-markdown, mistune, commonmark. Extensions, CSS, sanitization, static site generation.
Read guideSecure & Private Conversion
Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.