Free tools for your tasks
Essential online tools for coding, networking, and system administration — always free.
Random Password Generator
Generate strong, random passwords with customizable length, uppercase, lowercase, numbers, and symbols.
Generate PasswordBase64 / Hex / Binary / Decimal Converter
Convert text and data between Base64, Hexadecimal, Binary, Decimal, and plain text formats instantly.
Convert DataInternet Speed Test
Measure your download speed, upload speed, and latency right from your browser.
Test SpeedASN Lookup
Look up Autonomous System Number details for any IP address or ASN identifier.
Lookup ASNJSON Viewer
Format, validate, and visualize JSON data with syntax highlighting and collapsible tree view.
View JSONDNS Propagation Checker
Check DNS propagation across multiple providers: Google, Cloudflare, Quad9, OpenDNS, and AdGuard.
Check DNSLearn More
Explore our guides on networking, encoding, security, and more.