> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tenderly.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Developer Explorer

> Inspect and debug contracts, wallets, and transactions across all Tenderly-supported networks with Developer Explorer tools.

Developer Explorer is a suite of Web3 development tools that allow you to inspect and debug transactions coming from any contract or wallet. These tools are available across all the [networks supported on Tenderly](/platform/supported-networks).

<CardGroup cols={3}>
  <Card title="Transaction Listing" href="/developer-explorer/transaction-listing">
    View all the transactions coming from your contracts and wallets in a unified list.
  </Card>

  <Card title="Inspect Transaction" href="/developer-explorer/inspect-transaction/overview">
    Analyze transaction details, call trace, state changes, events, and more.
  </Card>

  <Card title="Debugger" href="/debugger/overview">
    Identify and fix smart contract issues efficiently with a visual debugging tool.
  </Card>

  <Card title="Gas Profiler" href="/debugger/gas-profiler">
    Examine contract gas usage by function and opcode visually with a flame chart.
  </Card>

  <Card title="Simulator UI" href="/simulator-ui/overview">
    Test transaction outcomes by adjusting parameters and simulating results.
  </Card>

  <Card title="Alerts" href="/monitoring/alerts/introduction">
    Receive real-time notifications about events on your contracts or wallets.
  </Card>
</CardGroup>

## Getting started with Developer Explorer

<img src="https://mintcdn.com/tenderly/XsEZlaGXYskrtN68/images/developer-explorer/overview/transaction-overview.webp?fit=max&auto=format&n=XsEZlaGXYskrtN68&q=85&s=8f7c2d4800c88e5b0d04596a8d393122" alt="Transaction Overview" width="3584" height="2072" data-path="images/developer-explorer/overview/transaction-overview.webp" />

To unlock the power of Developer Explorer, you first need to add a contract or wallet to a Tenderly project. Start with these guides to learn [how to add and manage contracts](/developer-explorer/contracts) and [how to add and manage wallets](/developer-explorer/wallets).

Tenderly will pull all the transactions from those contracts and wallets and display them on the [Transaction Listing](/developer-explorer/transaction-listing) page. This gives you an easy overview of the activity and allows you to:

* [Inspect individual transactions](/developer-explorer/inspect-transaction/overview)
* [Debug transaction errors](/debugger/overview)
* [Check gas usage](/debugger/gas-profiler)