# How to Validate a Tron Address (TRC20) — Format, Checksum, Tools

Tron address validator guide: what a valid TRC20 address looks like, how Base58Check works, common typos and how to check a Tron address before sending USDT.

Sending USDT to a mistyped address means losing it forever. A Tron address validator catches typos before you hit send. This guide explains the TRON address format and how to validate a Tron address manually or with our free tool.

## Anatomy of a Tron address

- Starts with the letter T.

- Exactly 34 characters long.

- Uses the Base58 alphabet — no 0, O, I or l.

- Encodes 21 bytes: prefix 0x41 + 20-byte account hash, followed by a 4-byte checksum (double SHA-256).

Example of a valid address: TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t (this is the USDT TRC20 contract).

## Why the checksum matters

Because of the 4-byte checksum, a random one-character typo produces an invalid address in more than 99.99 % of cases. Wallets refuse to send to an address that fails the checksum — but not all exchanges' web forms validate it before you confirm, so double-check yourself.

## Use the free validator

Our Tron address checker runs entirely in your browser: it decodes Base58, checks the prefix and verifies the checksum, then gives you direct links to Tronscan and OKLink to check balance and history. Nothing is sent to a server.

## Validation ≠ safety

A valid address only means the string is well-formed. It says nothing about who owns it. After validation:

- Check the address on Tronscan — does it exist, how old is it, is it blacklisted?

- Run a Tron AML check if you are going to receive from or send a large amount to it.

- Send a small test amount first.

## Common mistakes

- Pasting an ERC20 address (starts with 0x) into a TRC20 withdrawal form.

- Copying an address from transaction history that was "poisoned" by a look-alike scammer address.

- Trusting a QR code from an untrusted website.