Is anything uploaded?

No. Validation is local and clears on refresh.

Do you check device ownership?

No. This checks format and checksum only.

data validator

IMEI Validator

Validate IMEI numbers with Luhn checksum client-side.

Results

Paste input and validate locally.

Status: Ready when you validate.
Details: Ready when you validate.
Length: Ready when you validate.
Checksum: Ready when you validate.

Rules & checks

Accepts 15-digit IMEI numbers (digits only).

Runs the Luhn checksum to confirm validity.

Runs entirely client-side/offline; nothing is uploaded.

When to use it

Validate device IMEIs before activation or RMA
QA bulk CSV uploads with IMEIs
Triage support tickets with user-provided IMEIs

Tips

Strip spaces/dashes before validating
Keep IMEIs secure; avoid exposing them publicly

Examples

Valid IMEI

490154203237518 -> valid (checksum passes)

Invalid checksum

490154203237517 -> invalid

FAQs

Is anything uploaded?: No. Validation is local and clears on refresh.
Do you check device ownership?: No. This checks format and checksum only.

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