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300+ free tools including calculators, encoders, generators, and more. No sign-up required.
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Finance
Mortgage, EMI, compound interest, ROI, and tax calculators
30 toolsBusiness & Startup
SaaS runway, MRR projection, LTV, churn, and pricing tools
30 toolsText Utilities
Word counter, case converter, JSON formatter, regex tester
29 toolsUnit & Conversion
Length, weight, temperature, currency, and timezone converters
30 toolsCreator & Social
Hashtag generator, UTM builder, QR code, SEO preview tools
26 toolsImage Tools
Compressor, resizer, color picker, format converter, gradient maker
30 toolsLegal & Documents
Invoice generator, NDA template, privacy policy, contracts
30 toolsProductivity
Pomodoro timer, decision matrix, meeting cost, planners
30 toolsDeveloper
UUID generator, JWT decoder, hash generator, cron builder
30 toolsMisc & Experimental
BMI calculator, AI prompt cost, sleep cycle, carbon footprint
30 toolsYouTube
Thumbnail downloader, tag extractor, earnings estimator, SEO tools
30 toolsGuides & Tutorials
Learn how to get the most out of our tools
The Social Media Toolkit: Free Tools for Creators
Optimize your social presence with hashtags, UTM tracking, QR codes, and SEO previews.
6 min readSEO Checklist for New Websites: Get Found on Google
A step-by-step technical SEO checklist covering meta tags, sitemaps, robots.txt, and on-page optimization for new sites.
7 min readRetirement Planning & the FIRE Movement: A Practical Guide
Learn how to plan for retirement and explore the FIRE movement with savings rate strategies, the 4% rule, and free calculators.
8 min readTool Collections
Curated sets of tools grouped by theme
Mortgage Tools
All the mortgage tools you need: payment calculators, down payment planners, EMI breakdowns, and loan comparison tools. Free, no sign-up required.
6 toolsYouTube Tools
Grow your YouTube channel with free tools for SEO analysis, keyword research, earnings estimates, thumbnail testing, and channel audits.
8 toolsSEO Tools
Improve your search rankings with free SEO tools: meta tag previews, keyword analysis, SERP snippets, robots.txt generators, and Open Graph checkers.
8 toolsInvoice Tools
Create professional invoices, receipts, and tax breakdowns for free. Generate PDFs, calculate sales tax, and manage discounts with no sign-up.
6 toolsUnit Conversion & Math Tools
Convert units and solve math problems: percentages, ratios, proportions, Roman numerals, scientific notation, and area conversions. Free and instant.
6 toolsNetwork & Security Tools
Check your website's infrastructure: IP lookup, DNS records, HTTP headers, SSL certificates, open ports, favicon status, and page speed estimates.
7 tools