Free Online Tools: Always Here.
50+ free calculators, games, and utilities — finance, health, developer tools, Wordal word game, WC 2026 tracker, AI startup validator. No sign-up, no clutter.
🤖 AI tools
3 tools
🎮 Games
1 game
✨ Guided Journeys
4 journeys
The Claude Developer Blueprint
Turn your idea into code with Claude. Includes Spec Architect, CLAUDE.md Generator, and optimized Prompt Builder.
Home Buying Planner
3-step guide: Salary ➔ Budget ➔ Savings
AI Blog Assistant
Turn Keywords into SEO Blog Drafts
AI Email Optimizer
Refine Tone & Clarity Privatey
Prompt Builder
Create professional structured AI prompts
AI Resume Assistant
100% Private AI Bullet Point Optimizer
AI Content Polisher
Fix Grammar, Flow & Tone Locally
API Debugging Assistant
Clean, Analyze & Document API Data
Technical SEO Checklist
Audit Content, Meta Tags & Sitemap
Content Publishing Assistant
Count, Convert & Create URL Slugs
⚙️ Technical Workflows
2 pipelines
see all workflows →
⚔️ Versus Series
4 guides
💰 Finance tools
12 tools
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❤️ Health tools
5 tools
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💻 Developer tools
10 tools
explore developer hub →
JSON formatter
Prettify and validate JSON data
Base64
Encode & decode
UUID generator
Generate unique IDs
URL encoder
Encode & decode URLs
Regex tester
Test regular expressions
JWT decoder
Inspect JWT tokens
Cron parser
Explain cron expressions
Domain checker
Check domain availability
Password generator
Strong random passwords
CLAUDE.md generator
Next.js, React & more
Common Schema Errors
Fix invalid JSON & missing fields
7 JWT Mistakes
Auth bypasses & production risks
✏️ Text tools
6 tools
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📈 SEO tools
7 tools
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UTM builder
Create tracking URLs
Schema generator
JSON-LD for SEO
Meta tag analyzer
Audit page meta tags
OG tag generator
Open Graph meta tags
Robots.txt generator
Control crawler access
Keyword density
Word frequency checker
Sitemap generator
Build XML sitemaps
SEO Audit Failures
Top crawl & indexing red flags
⚽ Sports tools
2 tools
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🏆 FIFA World Cup 2026
4 tools
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🌍 Lifestyle tools
1 tool
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