Values

Deno KV supports any JavaScript built-in types that are supported via structured clone. The values are limited to 64k in their stored format. kview via kv-toolbox add support for three blob types. These have no hard size limit.

The support table is seen below:

Type	View	Add	Update	Notes
String	✅	✅	✅
Number	✅	✅	✅	Deno KV stores NaN and Infinity, but currently kview cannot display them as values or allow you to set or update to those values.
Boolean	✅	✅	✅
BigInt	✅	✅	✅	Values are entered/edited as number digits
Undefined	✅	✅		Values can be changed to undefined but the value itself is not editable intentionally.
Null	✅	✅		Values can be changed to null but the value itself is not editable intentionally.
Deno.KvU64	✅	✅	✅	Values are entered/edited as number digits
Array	✅	✅	✅	Values are entered/edited as JSON arrays
Map	✅	✅	✅	Values are entered/edited as JSON array tuples of key and values
Set	✅	✅	✅	Values are entered/edited as JSON arrays
Date	✅	✅	✅	Values are entered/edited as ISO strings in the format of YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ
RegExp	✅	✅	✅	Values are entered/edited as JavaScript regular expression literals (e.g. /abcd/i)
Error	✅
EvalError	✅
RangeError	✅
ReferenceError	✅
SyntaxError	✅
TypeError	✅
URIError	✅
ArrayBuffer	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Int8Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Uint8ClampedArray	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Uint8ClampedArray	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Int16Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Uint16Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Int32Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Uint32Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Float32Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Float64Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
BigInt64Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
BigUint64Array	✅	✅		Values are added as URL safe base64 encoded strings. View is displayed as a hex byte viewer.
Binary Data	✅	✅	✅	Values are added/updated by loading files. Only byte length is available as view. This is stored across multiple keys via kv-toolbox.
Blob	✅	✅	✅	Values are added/updated by loading files. If the type can be displayed in a browser, it will be displayed. This is stored across multiple keys via kv-toolbox.
File	✅	✅	✅	Values are added/updated by loading files. If the type can be displayed in a browser, it will be displayed. This is stored across multiple keys via kv-toolbox.
JSON	✅	✅	✅	Other objects use the structured clone algorithm and added/updated by entering a JSON value.