Toolbox
Encode / Decode
A practical local toolkit for encoding, converting, validating and inspecting common web and data formats.
Tool
Base64 encode/decode
Encode and decode text and images in Base64 directly in your browser.
Tool
URL encode/decode
Encode and decode URLs and query parameters to avoid parsing errors.
Tool
JSON formatter + validator
Format and validate JSON with clear feedback when syntax is invalid.
Tool
JWT decoder
Decode a JWT locally to inspect header and payload without signature verification.
Tool
CSV <-> JSON converter
Convert tabular CSV to JSON and JSON back to CSV locally.
Tool
YAML <-> JSON converter
Convert YAML and JSON structures for devops and application configs.
Tool
Local hashing (SHA-256, SHA-1)
Compute local hashes via Web Crypto for checksums and integrity checks.

