Citizenship card
Identity
Identity number. It has no public check digit: length, characters and embedded data are verified.
1234567890Type or paste a number from Colombia: we detect the document type, check its format and check digit and show the data it contains. Everything happens in your browser.
Spaces, dots and dashes are fine. It is checked as you type.
Everything runs in your browser: no number is sent or stored. It clears itself after 5 minutes of inactivity.
Identity
Identity number. It has no public check digit: length, characters and embedded data are verified.
1234567890Business
Business identification number. Format and official check digit are verified.
8001972684Passport numbers and the MRZ (the lines with “<” on the data page) follow the international ICAO 9303 standard: all their check digits are verified.
Examples are sample numbers with a correct check digit; they do not belong to real people or companies.
Built for teams that onboard customers from any country: fast, accurate and safe for personal data.
Calculations happen on your device. No uploads, no history, no own cookies and automatic clearing.
Detects the document type, tells you what is wrong, suggests the right check character and extracts date of birth and sex when the number contains them.
Official algorithms for 95+ countries and passports for all 249 countries and territories. Country names in your language.
Paste the machine readable zone of a passport or ID card and verify every check digit and the expiry date.
Up to 1,000 numbers at once with CSV export protected against formula injection.
Results as you type, on mobile or desktop, with no sign-up and no limits.
Leave “Detect automatically” on or choose the document, type or paste the number and you will instantly see whether the format and check digit are correct. Spaces, dots and dashes are fine.
Citizenship card and NIT, plus the passport number and the MRZ of passports and ID cards (ICAO 9303 standard).
No. The tool checks the published structure and check digits. It does not query official registers in Colombia, so it cannot confirm that a document exists, is current or belongs to a specific person.
No. Every calculation runs in your browser. No number is sent to Viliera or third parties and no history is kept.
Yes. In “Bulk validation” paste up to 1,000 Colombia numbers, one per line, and download the result as CSV.
Each page explains the country's documents, their format and an example. For the rest of the world, use the passport or MRZ check.
We integrate document checks into forms, online shops and customer onboarding.
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