ReCaseText

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa

About Unix Timestamp Converter

A Unix timestamp (also called epoch time) is the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC. It is the most common time representation in programming, databases, APIs, and blockchain systems because it is a single integer that is timezone-independent and trivially comparable.

This converter transforms timestamps to human-readable date strings and dates back to timestamps. It supports both second-precision timestamps (standard Unix time) and millisecond-precision timestamps (used by JavaScript's Date.now(), many APIs, and some blockchain systems). Blockchain events, transaction timestamps, and smart contract time locks all use Unix timestamps, making this tool essential for crypto developers and analysts.

Frequently asked questions

What is a Unix timestamp?

A Unix timestamp is the number of seconds since January 1, 1970 00:00:00 UTC (the Unix epoch). It's a universal, timezone-independent way to represent time.

Seconds vs milliseconds — which should I use?

Most Unix systems and blockchains use seconds. JavaScript (Date.now()) and some APIs use milliseconds. If your timestamp is 10+ digits long, it's likely seconds; 13+ digits means milliseconds.

Why is this in the crypto tools section?

Blockchain transactions, smart contract time locks, and on-chain events all store time as Unix timestamps. Developers constantly need to convert between timestamps and readable dates.

Related tools

Gas Fee Calculator

Calculate Ethereum transaction gas fees in ETH and USD

Ethereum Unit Converter

Convert between Wei, Gwei, and Ether

Token Decimal Converter

Convert between human-readable token amounts and raw integer values

← Browse all tools