How to Send USDT Gas Fee Free

The Tron (TRX) blockchain is among the quickest and low-cost networks for sending USDT (TRC20). However, some users struggle—especially when they have USDT in their wallet but no TRX for gas fees. In this guide, we will explain how to swap TRX to USDT, sending USDT without TRX, how to reduce or avoid gas fees, and Tron energy options for cheaper transactions.

1. How to Convert TRX to USDT Quickly

Swapping TRX to USDT is simple and can be done on various exchanges or DEX platforms. Here are ways to do it:

A. Using Centralized Exchanges

You can swap TRX → USDT instantly on:

Binance

KuCoin

OKX

Bybit

Huobi

Steps:

Deposit TRX into your exchange wallet.

Go to the “Trade” or “Convert” section.

Select TRX → USDT.

Approve the exchange.

B. Using Tron DEX Platforms

If you like DEX, use:

SunSwap (Tron’s official DEX)

JustSwap

Steps:

Connect your TronLink or Trust Wallet.

Select TRX in the “From” field and USDT in the “To” field.

Enter the amount.

Approve and swap.

2. Transfer USDT on Tron WITHOUT TRX – How It Works

Normally, you must have TRX in your wallet to pay transaction fees (called “energy” and “bandwidth”).
But there are a few ways to send USDT without holding TRX:

A. Using “Fee Delegation” Wallets

Some wallets or services pay gas fees on your behalf:

OKX Web3 Wallet Gasless Transfer

TronLink’s “Energy Rental Service” (low-cost and easy)

B. Using Exchange Withdrawals

If you send USDT from Binance, OKX,

TRANSFER USDT ON TRON WITHOUT TRX , etc., the exchange pays the gas fee, not you.

C. Rental Energy Services

Energy renting services allow gas-free transactions, meaning no TRX needed in your wallet.

3. How to Send USDT with Zero Gas Fee (No Gas Fee)

Here are the best gas-free methods:

1. Exchange Withdrawal – 100% Gas-Free

Most exchanges only charge a fixed withdrawal fee (e.g., 1 USDT).
No TRX needed in your wallet.

2. Tron Energy Rental – Almost Free

Platforms offering cheap transactions:

TronSave

Sun.io Energy Pool

TronLink’s built-in “Rent Energy” feature

With rented energy, your transfer fee becomes 0.1–0.3 TRX, or zero, depending on the package.

3. Smart Contract Platforms with Fee Delegation

Some DeFi dApps allow gas-free transactions when using their platform.

4. Buy TRX Energy – Make Transactions Cheaper

If you do frequent transfers, buying energy helps save money.

Where to Buy Energy

You can buy TRX energy on:

Sun.io Energy Market

TronSave Energy Shop

TokenPocket / TronLink integrated energy services

Benefits of buying energy:

Cost-effective for frequent users

Ideal for heavy users

Good for USDT traders or bot users

5. Rent Tron Energy – A Cost-Effective Solution

Renting is more affordable and perfect for regular USDT senders.

Why Rent Energy?

Save up to 90% on network fees

No need to freeze TRX

Easy and instant activation

Popular Energy Rental Providers

TronSave

JustLend (via energy options)

TronLink’s official “Rent Energy” system

After renting energy:

Your USDT transaction fee becomes 0 – 0.2 TRX

Perfect for bulk transfers and USDT merchants

Conclusion

Whether you want to swap TRX to USDT, send USDT without TRX, or avoid high gas fees, the Tron blockchain offers multiple powerful solutions. Using energy rentals or fee-delegation wallets makes Tron one of the cheapest and fastest blockchains for USDT.