Plaintools / DevTools / Encode & Decode
All processing local · Tokens never transmitted · Nothing logged · 6 tools
Encode & Decode
Local · Bidirectional
{} Format & Parse 64 Encode & Decode 🔒 Security Code Tools Utilities
BASE64 ENCODER / DECODER
Encode plain text to Base64 or decode Base64 back to plain text. Fully bidirectional.
● Local
Plain Text
Base64
URL
URL ENCODER / DECODER
Encode special characters for URL safety or decode percent-encoded strings. Bidirectional.
● Local
Input
Output
HTML Entities
HTML ENTITY ENCODER
Escape HTML special characters to entities, or unescape entities back to plain text. Bidirectional.
● Local
Input
Output
JWT
JWT DECODER
Decode JSON Web Tokens locally. Your token never leaves this device — ever.
⚠ Token never transmitted
🔐
Your token never leaves this device. Most JWT decoders upload your token to their servers. This tool decodes entirely in your browser. There is no server. Nothing is logged. Paste production tokens safely.
JWT Token
Header
Payload
Morse Code
MORSE CODE CONVERTER
Convert text to Morse code or decode Morse back to text. Use spaces between letters, / between words.
● Local
Input
Output
HTML → Markdown
HTML → MARKDOWN
Convert HTML to clean Markdown. Handles headings, bold, italic, links, images, lists, code blocks, blockquotes, and more.
● Local
HTML Input
Markdown Output