Process files up to the browser memory limit.

Is state and district enrichment included?

Yes — valid PINs are enriched with state and district name columns.

Pincode Validator

Validate Indian PIN codes in bulk from a CSV column. Fast, private, and secure browser-based tool with no signups or software

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Complete your task perfectly in just three straightforward steps.

Drop your CSV file with an Indian PIN code column.

Choose which column holds PIN codes.

Download the CSV with state, district, and validity status added.

Everything you need to know about the Pincode Validator.

What is validated?

Format (6 digits), valid state code prefix, and whether the PIN exists in the official database.

Is the database up to date?

The bundled PIN database is updated quarterly.

Is my file uploaded?

No. Everything runs locally in your browser.

Continue working with our suite of free data utilities.

Validate and normalize phone numbers in a CSV column. International format support. Processed entirely in your browser for 10

Validate Indian GST numbers in bulk from a CSV file. Checks format and checksum. Securely process files in your browser memor

Hide secret text inside an image using LSB steganography. Also detect and extract hidden messages. The safest way to process

Validate CSV structure, headers, data types, and required fields against a schema. Processed entirely in your browser for 100

Validate a CSV file against a JSON or YAML schema definition. Fast, private, and secure browser-based tool with no signups or

Generate contracts from CSV data using a template. Mail-merge style document creation. Securely process files in your browser