Deploy and interact with Starknet contracts with ease
Deploy to Starknet Mainnet, Sepolia, and Devnet. Import existing contracts, test functions, monitor transactions, and manage everything from one interface.

100% Free
No fees, no subscriptions
Open Source
Transparent & community-driven
3 Networks
Mainnet, Sepolia & Devnet
10+ Tools
Built-in developer utilities
Everything you need
A complete toolkit for working with Starknet smart contracts.
Deploy Contracts
Deploy Cairo smart contracts to Mainnet, Sepolia, or Devnet with a guided step-by-step process.
Import & Manage
Import existing contracts by address and manage all your contracts in one organized dashboard.
Interactive Testing
Call and invoke contract functions directly from the interface with auto-generated forms from the ABI.
Monitor & Track
Track every interaction, monitor transaction statuses, and review historical call data for your contracts.
Handy Tools
10+ built-in developer tools: Universal converter, felt/string encoder, token approvals, Starknet ID resolver, notes, and more.
System Logs
Real-time system logs panel that captures every action, transaction, and error for full transparency.
Deploy to any network
Seamlessly switch between Mainnet, Sepolia testnet, and local Devnet.
Mainnet
Deploy production-ready contracts to Starknet Mainnet.
Sepolia
Test and iterate on Starknet's public testnet before going live.
Devnet
Rapid local development with instant feedback and zero gas costs.
How it works
Get started in three simple steps.
Step 1
Connect Wallet
Connect your Starknet wallet (Argent X or Braavos) to get started.
Step 2
Deploy or Import
Deploy a new contract from Sierra/CASM or import an existing one by address.
Step 3
Interact & Monitor
Call functions, invoke transactions, and track all your contract interactions.
Step 1
Connect Wallet
Connect your Starknet wallet (Argent X or Braavos) to get started.
Step 2
Deploy or Import
Deploy a new contract from Sierra/CASM or import an existing one by address.
Step 3
Interact & Monitor
Call functions, invoke transactions, and track all your contract interactions.
Wallet compatibility
Connect with the Starknet wallets you already use and trust.
Argent X
The most popular Starknet wallet with built-in security features and account abstraction.
Braavos
Feature-rich Starknet wallet with hardware signer support and multi-factor authentication.
Keon
A modern Starknet wallet built for developers with a streamlined signing experience.
Non-Custodial
Your keys, your contracts. We never have access to your wallet or private keys.
StarknetKit Integration
Seamless wallet connection powered by StarknetKit for a reliable experience.
See it in action
A clean, intuitive interface designed for developers.
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Free & open source
Built in the open for the Starknet developer community.
Fully Open Source
Every line of code is publicly available. Audit, fork, or contribute.
Transparent
No hidden logic, no tracking, no data collection. What you see is what you get.
Community Driven
Contributions, bug reports, and feature requests are always welcome.
Frequently asked questions
Everything you need to know before getting started.
Ready to deploy?
Deploy to Mainnet, Sepolia, or Devnet and start interacting with your Starknet contracts today.
Launch AppStark Deployer is open source and built by the community. Found a bug? Have an idea? Contributions of all kinds are welcome.
View on GitHub