Encode & Convert
Base64, URL, JWT, timestamp, and data format converters.
Encoder / Decoder
Popularencoder
Base64 Encoder/Decoder
Instantly encode any text to Base64 or decode Base64 strings back to plain text. Handles full UTF-8 character sets including emojis and international characters. Useful for embedding data in URLs, emails, or API payloads.
base64encodedecode
encoder
HTML Entity Encoder
Encode and decode HTML entities — convert special characters for safe HTML embedding.
htmlentityencode
encoder
JWT Decoder
Decode JSON Web Tokens to inspect header, payload, and expiration. No data sent to any server.
jwttokendecoder
Popularencoder
URL Toolkit
All-in-one URL tool: encode/decode, query→JSON, deep decode multi-round encoding, and deep decode→JSON.
urlencodedecode
Converters
encoder
Binary / Text Converter
Convert text to binary (ASCII) and binary back to text, with spaced and continuous formats.
binarytextascii
encoder
CSV to JSON
Parse CSV data into JSON arrays or objects with delimiter and header options.
csvjsonconverter
encoder
YAML / JSON Converter
Convert between YAML and JSON formats with syntax highlighting and error detection.
yamljsonconverter