Performance and privacy, with the implementation visible.
Notes about the engine decisions behind jsontools.me.
01→02→03→04→
Why your JSON never leaves the browser
The concrete architecture behind the local-processing claim.
August 25, 2026 · 5 minParse once: the Rust/WASM document handle
How one retained representation makes a multi-tool JSON workspace feel immediate.
August 25, 2026 · 6 minSemantic JSON diff is not text diff
Object order, array identity, volatile fields, and compatibility turn comparison into a data problem.
August 25, 2026 · 7 minThe duplicate-key information most parsers throw away
Why json-buf performs a source-aware duplicate pass before ordinary object access.
August 25, 2026 · 5 min