fatcousin
search
⌘
K
→
jump to any tool — keyboard-first launcher.
tools
→
browse every utility in one place.
manifesto
→
why fatcousin exists — local-first, no uploads.
install
→
save this toolset to your device — works offline.
search
⌘
K
→
jump to any tool — keyboard-first launcher.
←
home
j
s
o
n
s
c
h
e
m
a
v
a
l
i
d
a
t
o
r
validate json against draft-07 schema · infer schemas · runs locally
[
schema (draft-07)
]
{ "type": "object", "required": [ "name", "age", "email" ], "properties": { "name": { "type": "string", "minLength": 1 }, "age": { "type": "number", "minimum": 0, "maximum": 150 }, "email": { "type": "string", "format": "email" }, "role": { "type": "string", "enum": [ "admin", "user", "guest" ] } } }
[
data to validate
]
[
infer schema from data
]
{ "name": "Alice", "age": 28, "email": "alice@example.com", "role": "admin" }
[
result
]
✓ valid — data matches schema
[
status
]
>
ready
ready
local
verify
→