Text & encoding tools

Free Online Text Diff Tool

Free online Text Diff tool: compare text line by line, highlight inserted, deleted and unchanged lines, and copy unified diff. Everything runs locally in your browser.

Ignore trailing whitespace

+0 -0 =0

Original text

New text

Diff preview

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

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

Blank Text Generator

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

Roman Numerals

Roman numerals converter and generator: number↔roman, range batch list, and one-click copy. Local-only.

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

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

HTML stripper

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

HTML to Markdown

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

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

URL encoder / decoder

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

Regex tester

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

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

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