Luminus

Markdown to HTML

Convert Markdown to HTML with a live preview and source output.

Understand your result

Not sure what the numbers mean? Echo reads your result and explains it in plain words — then suggests a sensible next step.

Description

The Markdown to HTML is a fast, private text-processing utility that handles the manipulation, counting, and conversion tasks writers, editors, and developers encounter daily. Whether you are counting words and characters for a meta description capped at one hundred sixty characters, converting a title to lowercase-hyphenated URL slug format, changing sentence case to title case or uppercase, running a bulk find-and-replace across a long document, converting Markdown source into clean HTML, or generating lorem ipsum placeholder text for a design mockup, this tool processes your input instantly and displays results as you type. Word, character, sentence, and paragraph counts update live alongside an estimated reading time based on standard adult reading speeds, making it trivial to confirm whether a blog post hits its target length, an essay meets its minimum word count, or a tweet fits within platform limits. The slug generator strips accents, transliterates special characters, and produces clean URL-safe strings ready for routing. The Markdown-to-HTML converter handles headings, lists, links, emphasis, code blocks, and blockquotes, outputting standards-compliant markup you can paste directly into a CMS or email template. All processing runs locally inside your browser — the text you paste is never uploaded, transmitted, or stored on any server. This makes the tool safe for confidential drafts, legal copy, client proposals, unpublished manuscripts, and private notes. It is used daily by copywriters meeting character limits, bloggers targeting SEO-friendly post lengths, social media managers fitting text into platform constraints, translators comparing source and target lengths, students meeting essay requirements, and developers checking string lengths for database fields. No sign-up, no subscription, no ads, and no limit on input size.

How to use

  1. Type or paste your text block into the main editor window.
  2. Select your target case, markdown filter, or find-and-replace settings.
  3. Check your live word count and character totals.
  4. Copy the formatted text output instantly.

Why use this tool?

Editing paragraphs, counting character limits, or converting markup shouldn't require sending content to external servers. The Markdown to HTML handles these actions locally for speed and privacy.

Features

  • Instant, lag-free text processing on large content blocks.
  • Live word, character, and sentence tracking.
  • Completely local operations keep drafts and notes confidential.

Frequently asked questions

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