Useful tools. No unnecessary complexity.
Free tools for developers, IT professionals, and everyday technical work. Most run directly in your browser; remote lookups are always clearly identified.
Built for the work, not the wait.
Browser-first privacy
Local tools keep your text, code, passwords, and files on your device.
Fast by default
Focused interfaces and native browser APIs avoid unnecessary uploads and waiting.
Clear execution labels
Every tool tells you whether it runs locally or needs a limited network lookup.
Popular tools
Categories
JSON & Data
Format, validate, and transform structured data.
01Encoding
Encode and decode text safely in your browser.
◇Security
Hash, inspect, and generate security-focused data.
◷Dates & Time
Convert timestamps and work across time zones.
</>Web Development
Inspect and transform web formats and code.
AaText
Analyze, compare, and transform text.
✦Generators
Generate identifiers, test data, and assets.
◉Design
Work with colors and accessible visual styles.
▧Images
Convert and optimize browser-based image files.
⌁Network
Inspect domains, addresses, and web clients.
Latest tutorials
Featured tools
DNS Lookup
Inspect public A, AAAA, CNAME, MX, TXT, and NS records.
Open toolJSON Formatter
Format, validate, and beautify JSON with clear, readable indentation.
Open toolSHA-256 Generator
Create a SHA-256 digest using your browser’s native Web Crypto API.
Open toolUnix Timestamp Converter
Convert Unix timestamps to readable dates in UTC and your local time.
Open tool