Tools + answers for the people who keep things running
Your tech questions, answered in seconds.
Free, fast, browser-based tools for sysadmins, developers and security folks. No accounts, no uploads, no tracking your inputs. Plus field guides that give you the answer first and the theory after.
Latest news
All articles →
Sysadmin ·
New York Halts New Hyperscale Data Centers for a Year
Governor Hochul signed an executive order pausing state environmental permits for new data centers of 50 megawatts or more, for up to one year.
-
Dev ·
Reflection Signs 1 Billion Dollar Nebius Compute Deal
-
Network ·
Tower Puts 3 Billion Dollars Into Japan for Optical Chips
-
Sysadmin ·
ASML Lifts 2026 Outlook as Intel Ships High NA EUV Chips
-
Sysadmin ·
Linux 7.2 Adds Cache Aware Scheduling for Big Server CPUs
-
Network ·
Rakuten Mobile Finishes Nationwide Open RAN Radio Rollout
-
Sysadmin ·
Intel Puts 5 Billion Euros Into Ireland for More Xeon
Flagship tools
All tools →Dev
AI Token Counter
Count tokens and estimate cost for GPT-5, Claude 4 and Gemini 3 before you call the API.
Runs in your browser
Dev
JSON to TypeScript
Turn any JSON payload into clean, typed TypeScript interfaces in one paste.
Runs in your browser
Sysadmin
tar Command Generator
Build, extract or list any tar archive by clicking, with every flag explained.
Runs in your browser
SEO
AI Crawler Blocker
Generate a robots.txt that blocks GPTBot, ClaudeBot and 20 other AI bots, plus Nginx and Apache rules.
Runs in your browser
By category
Developer tools
Decode, build and debug faster: JWT, cron, encodings and more.
Network tools
Subnets, DNS, IPs: the daily bread of network admins, done right.
Security tools
Passwords, TLS certificates and the things that keep you off incident calls.
Email & DNS tools
SPF, DKIM, MX and the plumbing behind deliverability.
SEO tools
Technical SEO checks that actually move rankings.
Sysadmin tools
Converters, calculators and cheats for people who run servers.