Toolnado Home In One Powerful Place

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Audiobook Speed Calculator

Find how much time you save by listening at different playback speeds.

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MD5 Converter

Use this MD5 Converter to generate a 32-character MD5 hash from any text and run a reverse lookup using a live database dictionary.

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BMI Calculator

Switch between Metric and US units, then track your BMI on a live gauge.

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Regex Tester

Test regular expressions quickly with flag toggles, match tables, and capture-group visibility for debugging and validation.

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Base64 Encoder Decoder

Encode or decode Base64 text in one click.

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SPF Record Checker

Enter a domain to run a detailed SPF validation with mechanism-level analysis, deliverability checks, and technical transcript output.

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Loan Calculator

Enter loan amount, annual rate, and loan term to calculate monthly payment, total repayment cost, and a practical amortization preview.

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DKIM Record Checker

Enter a domain and selector to validate DKIM TXT records and review key tags for email authentication troubleshooting.

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Percentage Calculator

Calculate percentages instantly with multiple modes including forward, reverse, and percentage change scenarios.

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Meta Tags Checker

Check a page URL and see full meta information including title, description, keywords, canonical, robots, Open Graph, Twitter Cards, and hreflang links in one report.