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EncPadNote

A serverless markdown editor with optional encryption that stores content as URL hash.

by LukaWe · github.com/lukawe/encpadnote

★ 0stars

Install

Download source zip No release zip yet

This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.

Install straight from GitHub with WP-CLI:

wp plugin install https://github.com/lukawe/encpadnote/archive/refs/heads/main.zip
No built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Readme github.com/lukawe/encpadnote ↗

A serverless markdown editor WordPress plugin that stores content entirely in the URL hash. No database, no server storage — just share a link. Inspired by Buffertab.

⚠️ Work in Progress — This plugin was partly vibed. Expect rough edges.

📸 Screenshots

Dark Mode Light Mode
Dark Mode Light Mode

Features

  • ✅ Serverless Storage — All content lives in the URL. No database required.
  • ✅ Markdown Support — Full GitHub Flavored Markdown (GFM) with live preview.
  • ✅ Optional Encryption — AES-256-GCM client-side encryption with PBKDF2 key derivation.
  • ✅ Dark Mode — Automatic system detection + manual toggle.
  • ✅ Fullscreen Mode — Distraction-free writing.
  • ✅ Copy Link Button — One-click sharing.

URL Length Limits

Content is compressed (Deflate) and Base64-encoded into the URL hash.

Browser Max URL Length Approx. Text Capacity
Chrome/Edge ~2MB+ ~500k+ chars
Firefox ~64KB+ ~100k+ chars
Safari ~80KB ~120k+ chars
IE/Legacy ~2KB ~3k chars

Recommendation: For cross-browser/email compatibility, keep under 8,000 characters (shown as "100% used").

Limitations

  • ❌ No collaboration — Single-user, URL-based storage only.
  • ❌ No version history — Each edit overwrites the URL.
  • ❌ No image uploads — Markdown images must link externally.
  • ❌ Browser-dependent — Older browsers may truncate long URLs silently.
  • ❌ Password recovery impossible — Encrypted notes are unrecoverable without the password.

Installation

  1. Zip the padnote-wp folder.
  2. WordPress Admin → Plugins → Add New → Upload Plugin.
  3. Activate "EncPadNote".
  4. Add [encpadnote] shortcode to any page.

Usage

[encpadnote]              // Default 80vh height
[encpadnote height="600px"]  // Custom height

Security

  • XSS protection via DOMPurify sanitization.
  • Encryption uses AES-256-GCM with 600,000 PBKDF2 iterations.
  • No server-side data processing — all logic runs in the browser.