Markdown to HTML Converter

Use the Markdown to HTML Converter to transform basic Markdown into HTML for previews, notes, documentation snippets, blog drafts, and content blocks, locally.

Simple Markdown to HTML converter supporting headings, paragraphs, bold, italics, inline code, and unordered lists. Not a full Markdown implementation.

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Text Length

Count characters, words, and lines.

Repeat Text

Duplicate text N times with options.

URL Encode / Decode

Make text URL-safe or decode it.

Base64 Encode / Decode

Convert text to and from Base64.

HTML Entity Encode / Decode

Escape and unescape HTML safely.

Hex Encode / Decode

Convert text to hex and back again.

ROT13

Apply the classic 13-letter rotation cipher.

Caesar Cipher

Shift letters by a custom rotation.

Atbash Cipher

Reverse the alphabet for simple substitution.

MD5 Hash

Generate MD5 hashes for any input.

SHA-1 Hash

Create SHA-1 hashes in your browser.

SHA-256 Hash

Generate SHA-256 hashes with Web Crypto.

Binary ↔ Text

Convert text to binary and back.

Case Converter

Convert to UPPERCASE, lowercase, Title Case, and more.

CSV → JSON

Convert CSV files or text into JSON instantly.

JSON Formatter

Pretty-print and validate JSON.

JSON Minifier

Compress JSON by removing whitespace.

Random String

Generate random strings with custom rules.

Remove Duplicates

Delete duplicate lines from text.

Sort Lines

Sort text alphabetically or reverse.

Text Diff

Compare two text blocks side-by-side.

URL Parser

Break URLs into components for analysis.

UUID Generator

Generate UUID v4 values instantly.

Word Frequency

Analyze most common words in text.

HTML Minifier

Minify HTML by removing extra whitespace.

CSS Minifier

Strip comments and compress CSS.

JavaScript Minifier

Lightweight JS minifier for snippets.

Slug Generator

Create clean, SEO-friendly slugs.

Meta Description Generator

Trim content into SEO-ready summaries.

Title Case Converter

Format text as proper titles.

Sentence Case Converter

Normalize text into sentence case.

Advanced Word Counter

Words, characters, lines, and more stats.

Character Frequency

See how often each character appears.

Palindrome Checker

Check if text reads the same both ways.

Text Normalizer

Trim and collapse whitespace in text.

Punctuation Remover

Strip punctuation from your text.

Emoji Remover

Remove emoji and non-basic symbols.

Stopword Remover

Filter out common English stopwords.

Keyword Density

Analyze keyword counts and percentages.

Canonical URL Generator

Build clean canonical URLs from base and path.

robots.txt Generator

Create a simple robots.txt file with options.

Sitemap Generator

Turn URLs into a minimal XML sitemap.

UTM URL Builder

Build analytics tracking URLs with UTM tags.

QR Code Generator

Create QR codes from text or URLs.

Regex Tester

Test regular expressions against sample text.

Regex Escape

Escape text safely for use inside regex patterns.

Markdown → HTML

Convert basic Markdown into HTML.

HTML → Markdown

Convert simple HTML snippets to Markdown.

Lorem Ipsum Generator

Generate placeholder lorem ipsum text.

Random Word Generator

Generate random words for demos and tests.

Text Case Randomizer

Randomly flip characters to upper/lowercase.

Duplicate Word Finder

Find repeated words and their counts.

Sentence Splitter

Split text into sentences, one per line.

Paragraph Splitter

Split content into paragraphs using blank lines.

Line Number Adder

Add numbered prefixes to each line.

Remove Line Breaks

Merge lines into a single flowing string.

Add Line Breaks

Wrap text at a chosen line width.

Remove Extra Spaces

Collapse multiple spaces and tidy lines.

CSV Cleaner

Trim fields and normalize CSV delimiters.

Tab ⇄ Spaces Converter

Convert indentation between tabs and spaces.

JSON → CSV

Convert JSON arrays of objects into CSV.

Batch UUID Generator

Generate many UUIDv4 values at once.

Password Strength Checker

Estimate strength based on length and variety.

ASCII Art Text

Wrap text in a simple ASCII art border.

Morse Code Converter

Encode and decode Morse code messages.

Leetspeak Converter

Turn normal text into 1337 speak.

ROT47 Encoder

Apply the reversible ROT47 text transform.

URL Slug Cleaner

Normalize messy slugs and URL paths.

Keyword Extractor

Highlight the most frequent important terms.

Reverse Text

Flip your text backwards instantly.

About

The Markdown to HTML Converter transforms simple Markdown syntax into HTML for quick previews or small content blocks. It supports headings, bold, italics, inline code, and lists using a straightforward parser. This is useful for documentation snippets, notes, and blog content crafted in Markdown.

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