48 developer & utility tools.No accounts. No paywalls. No installs.
DNS lookups, JSON formatters, IP forensics, password generators — every tool runs in your browser or proxies through one server hop. Bookmark what you use; we'll never ask for an email to access it.
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Calculators
Calculate anything from percentages to loan payments
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2Crypto Tools
Tools for cryptocurrency enthusiasts
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4Data Tools
Process, convert, and visualize your data
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8Developer Tools
Tools for coding, formatting, and testing
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3Document Tools
Create, edit, convert and manage documents
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7Generators
Generate various types of content and data
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1Image Tools
Edit, convert, resize and optimize your images
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3SEO Tools
Search engine optimization and web marketing tools
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1Text Tools
Process, analyze, and compare text content
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5Time Tools
Tools for time management and conversion
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6Web Tools
SEO tools, URL shorteners, and more
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Featured
Popular tools
Hand-picked from 48 tools — what people search for most.
AI Pricing Table
Compare pricing of popular AI models and services
Binance WODL
Tool to help solve Binance WODL puzzles
Epoch Timestamp Converter
Convert between human-readable dates and Unix timestamps
Password Generator
Cryptographically secure password generator using window.crypto.getRandomValues. Three modes: random characters (4-64 chars), EFF Diceware passphrases (7,776-word list), and PINs. Shows real entropy + zxcvbn score + crack-time estimate.
AI Prompt Library
500+ free AI prompts for sales, marketing, engineering, PMs, founders & every other role
AI Token Calculator
Count tokens, estimate API costs, and compare 100+ AI models instantly
DNS Lookup
A / AAAA / MX / TXT / NS / CNAME / SOA / CAA records in one scroll, with SPF / DMARC / CAA / DNSSEC health checks and per-type filtering
Domain Inspector
WHOIS / RDAP lookup with registrar, registration and expiry dates, EPP status flags explained in plain language, nameservers, and DNSSEC
Event Calendar Generator
RFC 5545-compliant .ics generator + one-click Add to Google / Outlook / Apple / Office 365 / Yahoo. Recurrence rules, reminders, attendees, conference URL auto-detect, and embed HTML for a free Add-to-Calendar button.
From the guides
Recent writing
AI Token Calculator: Estimate GPT, Claude & Gemini API Costs
A practical guide to how AI tokens work, current GPT, Claude and Gemini pricing, and how to estimate and cut your LLM API bill in 2026.
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What Is My IP Address? IPv4, IPv6 and Public IP, Explained Clearly
Web ToolsUpdated May 24, 2026 - 0210 min
Robots.txt Explained: The Complete Beginner Guide for SEO in 2026
Web ToolsUpdated May 24, 2026 - 039 min
Regex Cheat Sheet for Developers: Patterns That Actually Work in JS, Python, and PCRE
Developer ToolsUpdated May 23, 2026
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