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Email Verifier
Check email syntax, domain and mail-server signals before using an address.
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Online tools for everyday digital work
Explore practical tools for developers, email workflows, security, SEO, text processing and more.
Email Tools
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Bulk Email Verifier
Verify email lists in bulk with credit-based processing and private downloadable results.
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Bcrypt Hash Generator
Generate bcrypt hashes for passwords and test data.
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Bcrypt Hash Verification
Check whether a password matches a bcrypt hash.
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MD5 Hash Generator
Generate an MD5 digest for checksums and legacy compatibility.
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MD5 Hash Verification
Compare text against an MD5 checksum.
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Base64 Decoder
Decode Base64 strings into readable text.
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Base64 Encoder
Encode text into Base64.
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URL Encoder
Percent-encode text for use in a URL component.
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URL Decoder
Decode percent-encoded URL text.
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Data Serializer
Convert JSON data into PHP serialized format.
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Data Unserializer
Convert PHP serialized scalar and array data into readable JSON.
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Mortgage Calculator
Estimate monthly mortgage payments, interest, property tax, and insurance.
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Loan Calculator
Calculate loan payments, total interest, and total repayment.
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US Paycheck Calculator
Estimate US take-home pay using 2026 federal tax brackets and FICA.
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Interest Calculator
Calculate compound interest and future value.
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Credit Card Payoff Calculator
Estimate credit card payoff time and total interest.
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Savings Calculator
Project savings growth with monthly contributions and compound interest.
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