Collect
Observe the capabilities available in this browser.
collectorResults
Browser fingerprint playground
See what your browser reveals. Inspect the signals, compare two runs, and check how the library behaves.
Runs in this tab. Nothing is collected
until you start.
Collection result
ReadyNo fingerprint yet
Start a collection to see the signals available in this browser and the fingerprint they produce.
Fingerprint
- Collection coverage
- —
- Collection time
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- Hash inputs
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Coverage describes collected signals, not identification accuracy.
Signal values and fingerprint omitted
Signals & components
Expand a signal to inspect its local value.
| Collector | Status | Time | Hash input |
|---|
Only successful, eligible fields enter the versioned fingerprint projection. Raw observations stay in this tab.
Use this configuration
Loading the local SDK…One collection. A defined projection.
A fingerprint is a hash of selected browser observations. The same projected data produces the same hash. A changed browser, device, or protection setting can change the observations.
Project
Select defined fields. Leave volatile context out.
fingerprintVersion
Canonicalize
Order object keys for a reproducible representation.
safeStringify
Hash
Calculate SHA-256, including the schema version.
fingerprint
Illustrates the process; no data is collected.
A signal, not an identity
Different browsers can share an identical fingerprint. The same browser can produce a different one as its environment changes. Use it as contextual evidence, never as an authentication secret.
Context stays separate
customData is returned as context and does not affect the fingerprint.
Only explicitly supplied fingerprintData joins the hash input. UUID
values are preserved.
Missing is a real state
Unsupported APIs, blocked access, timeouts, and exclusions have separate statuses. They are not proof of automation, and they do not count as successful collection.
You control the collection
No collector runs when you open this page. Network collectors are disabled by default. Decide when collection is appropriate for your application and its users.
Integrating the library?
Read the API, privacy guidance, and v2 migration notes before shipping.
Check the implementation in your browser
Run real checks against this build: hashing, canonical data, collection controls, storage, and short-term repeatability.
These checks run locally on request. They do not measure uniqueness, long-term stability, or bot-detection accuracy. Repeatability uses your current playground settings.
No checks have run yet.