Developk's Tools is a free collection of developer utilities across four areas โ network, security, coding, and text โ gathered in one place. Use them straight from your browser with no install and no sign-up, and nothing you enter is sent to a server.
What is this site?
Development and operations constantly call for small but frequent tasks โ IP/DNS diagnostics, generating passwords and hashes, formatting JSON and SQL, converting text. Instead of hunting down a scattered set of sites each time, this hub organizes about 60 such tools into four categories. Most are built to run entirely in your browser (client-side), so even sensitive values you paste never leave your machine.
How to use it
- Network โ check your IP, diagnose DNS & domains, inspect HTTP headers
- Security โ generate passwords, hashes & tokens, inspect SSL certificates
- Coding โ format JSON, SQL & HTML, convert timestamps
- Text โ search & replace, diff comparison, encoding conversion
๐ New here? Start with the guides
See the how-to guides for the background and tips behind each tool.