Clear explanations of JSON, Base64, hashing and data conversion — each linked to the right free tool.
JSON is everywhere and it only takes one stray comma to break everything. Learn the rules, the common errors, and how to format and validate JSON instantly.
Read guide (8 min) EncodingBase64 turns binary data into safe text. It is not encryption and it is not compression — here is what it does and when to use it.
Read guide (7 min) SecurityA hash is a fixed-length fingerprint of data. SHA-256 underpins signatures, integrity checks and blockchains — and it is not encryption.
Read guide (7 min) DataJSON is hierarchical; CSV is flat. Converting between them is mostly about deciding what happens to nested objects and arrays.
Read guide (7 min)Explore the whole collection — no signup, 100% free & private.