Free Online Roman Numerals Generator / Converter tool icon
Text tools · Roman numerals

Free Online Roman Numerals Generator / Converter

Convert decimal numbers to Roman numerals or parse Roman numerals back to integers. Includes range batch generation and one-click copy. Everything runs locally in your browser.

Roman Numerals Converter

Supports standard Roman numerals for 1–3999 (I, V, X, L, C, D, M).

Batch Generate (Range)

Provide start/end and generate a list of Roman numerals (one per line).

Tips

  • Standard Roman numerals are commonly used for 1–3999. Extended forms (e.g. overlines for ×1000) vary, so this tool stays standard.
  • When parsing Roman numerals, the tool validates canonical form (e.g. “IIII” is considered invalid).
Markdown editor

Markdown editor

Markdown editor with live preview and local draft saving that lets you copy Markdown or export HTML without uploading any content.

Text to Speech

Text to Speech

Convert text to spoken audio locally in your browser with adjustable voice, rate and pitch, without uploading any data.

Blank Text Generator

Blank Text Generator

Copy invisible characters with quick copy, batch generator, and editor insertion. Local-only, no uploads.

Word counter

Word counter

Lightweight, privacy-first online tools that run entirely in your browser. AES encryption and word counter are available now, more utilities coming soon.

Case converter

Case converter

Quickly convert text between upper, lower, title, sentence, camelCase, snake_case, kebab-case and more, all locally in your browser.

Text diff

Text diff

Compare two texts line by line, highlight inserted/deleted/unchanged lines, and copy unified diff. Everything runs locally in your browser.

HTML stripper

HTML stripper

Strip HTML tags and extract clean plain text locally in your browser with zero uploads.

HTML to Markdown

HTML to Markdown

Paste HTML and convert it to Markdown locally in your browser, with GFM tables and task lists support.

Markdown to Confluence

Markdown to Confluence

Convert Markdown to Confluence Wiki Markup or enterprise-style format locally in your browser with preview and copy support.

Escape / Unescape

Escape / Unescape

Escape or unescape HTML / JSON / Unicode text locally in your browser with zero uploads.

URL encoder / decoder

URL encoder / decoder

Encode or decode URLs in standard and form modes locally in your browser.

Regex tester

Regex tester

Test JavaScript regular expressions with flags, groups, copyable matches and replacement preview. Everything runs locally in your browser.

URL parser

URL parser

Parse and edit URL protocol, host, pathname, query parameters and hash, then rebuild a normalized URL locally in your browser.

cURL to Code

cURL to Code

Paste a curl command and generate fetch or Axios request code, all running locally in your browser.