CONVERT TEX → HTML (TEX to HTML)
Fast, secure TEX to HTML conversion. No registration required.
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Studio Panel
Ghostscript + QPDFHOW TO CONVERT TEX → HTML
Upload your TEX
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 TEX 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.
Opening note — TEX is a LaTeX source document, a programmable typesetting format for mathematical and technical writing. The HTML you want is two clicks away. Converting TEX to HTML keeps the document's content but changes how it is distributed. LaTeX Document 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. Context: TEX is a LaTeX source document, a programmable typesetting format for mathematical and technical writing. HTML is the web's HyperText Markup Language, the universal document format for browsers.
Why convert TEX to HTML
TEX and HTML both describe paginated text, but they target different parts of the document life cycle. TEX 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.
TEX vs HTML — Technical specifications
Side-by-side comparison of the technical details.
TEX
- MIME type
- application/x-tex
- Extensions
- .tex, .ltx, .cls, .sty
- Engines
- pdfTeX, XeTeX, LuaTeX, ConTeXt
- Macro layer
- LaTeX, Plain TeX, ConTeXt
- Output
- DVI, PostScript, PDF
- MIME Type
- application/x-tex
- Extension
- .tex
- Category
- Documents & Text
- Full Name
- LaTeX Document
- Conversion Engine
- PANDOC
HTML
- MIME type
- text/html
- Extensions
- .html, .htm
- MIME Type
- text/html
- Extension
- .html
- Category
- Documents & Text
- Full Name
- HTML Document
- Conversion Engine
- PANDOC
- Standard
- HTML Living Standard (WHATWG)
- Character encoding
- UTF-8 (recommended)
- Element count
- ~110 in current spec
| Specification | TEX | HTML |
|---|---|---|
| MIME type | application/x-tex | text/html |
| Extensions | .tex, .ltx, .cls, .sty | .html, .htm |
| Engines | pdfTeX, XeTeX, LuaTeX, ConTeXt | — |
| Macro layer | LaTeX, Plain TeX, ConTeXt | — |
| Output | DVI, PostScript, PDF | — |
| MIME Type | application/x-tex | text/html |
| Extension | .tex | .html |
| Category | Documents & Text | Documents & Text |
| Full Name | LaTeX Document | HTML Document |
| Conversion Engine | PANDOC | PANDOC |
| Standard | — | HTML Living Standard (WHATWG) |
| Character encoding | — | UTF-8 (recommended) |
| Element count | — | ~110 in current spec |
TEX vs HTML — Strengths and limitations
What each format does best, and where it falls short.
TEX Strengths
- Unmatched mathematical typesetting — LaTeX equations look publication-quality.
- Separates content from formatting — update the style template, the document reflows.
- Reliable output — same .tex produces the same PDF anywhere.
- Mature ecosystem with thousands of packages (beamer, tikz, biblatex, hyperref).
- Free and open-source under Knuth's license.
Limitations
- Steep learning curve.
- Error messages are notoriously cryptic.
- Complex figures and tables require manual tweaking.
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).
Quality & Compatibility
LibreOffice handles the heavy lifting and maps the overwhelming majority of TEX 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 TEX 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 TEX — 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.
LaTeX Document
Source formatLaTeX is a document preparation system for high-quality typesetting of scientific papers.
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.
Common Use Cases
Share across platforms
Send HTML files to anyone without worrying about whether they have the right software for TEX.
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 TEX 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.
TEX vs HTML — Typical file sizes
Approximate file sizes for common scenarios.
- Short paper source 10-100 KB
- Thesis source with figures 500 KB - 10 MB
- Book source (multi-file) 5-50 MB
- Hello-world page < 1 KB
- Blog post (rendered HTML) 5-40 KB
- Modern SPA (initial HTML shell) 50-200 KB
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Related comparisons
See these formats side by side to understand which fits your use case best.
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