Developer Tools

JSON formatter, Base64, UUID, hash generator, JWT decoder and more

Format, validate, and beautify JSON online with syntax highlighting

Encode text or data to Base64 format instantly

Decode Base64 strings back to readable text instantly

Generate random UUIDs and GUIDs online — v1, v4, and v5 free

Generate SHA-256, SHA-512, and SHA-1 hashes — online checksum calculator

Timestamp Converter

Convert Unix timestamps to dates and back — free epoch converter online

Markdown to HTML

Convert Markdown to HTML with live preview — free online tool

Decode and inspect JWT tokens online — view header, payload, and expiration

Minify and compress CSS online free — reduce CSS file size instantly

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal online

HTML Entity Encoder / Decoder

Encode and decode HTML entities and special characters online free

HTML to Markdown

Convert HTML to Markdown format online free — paste and convert instantly

DOCX to Markdown

Convert Word .docx files to Markdown format online free — private, no upload

PDF to Markdown

Extract text from PDF files and convert to Markdown — free, runs in browser