Encoding Hub
Encoding, decoding, and data format tools — 13 tools, all free and client-side.
Most Used
Base64 Encoder
Encode text or binary data to Base64 — standard and URL-safe variants
Base64 Decoder
Decode Base64 strings back to plain text or binary data
URL Encoder
Percent-encode URLs and query strings for safe transmission
URL Decoder
Decode percent-encoded URLs back to readable query strings
HTML Entity Encoder
Escape HTML special characters to prevent XSS and display issues
HTML Entity Decoder
Decode HTML entities back to their original characters
Hex Encoder
Convert text to hexadecimal — useful for debugging and binary inspection
Hex Decoder
Decode hexadecimal strings back to plain text
Binary Encoder
Convert text to binary representation — byte by byte
Binary Decoder
Decode binary strings back to readable text
JSON Formatter & Validator
Beautify and validate JSON data — with syntax highlighting and error detection
JSON Minifier
Minify JSON by removing whitespace — reduce payload size
JSON Schema Validator
Validate JSON data against a schema — supports type, required, pattern, and more