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Tools

Free Web Tools

Fast, privacy-friendly utilities that run in your browser.

Encrypt / Decrypt (AES-256)
Encrypt/decrypt text with AES-256-GCM and a passphrase — all in your browser.
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Base64 / URL / HTML Encode
Base64, URL and HTML entity encode/decode.
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JSON Formatter / Validator
Beautify, minify and validate JSON.
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JWT Decoder
Decode and inspect a JWT (header + payload).
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Hash Generator (MD5/SHA)
Generate MD5, SHA-1, SHA-256, SHA-512 of any text.
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Password & UUID Generator
Generate strong random passwords and UUIDs.
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QR Code Generator
Create and download a QR code for any text or URL.
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DNS Lookup
A/AAAA/MX/TXT/NS/CNAME records for a domain.
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SSL Certificate Check
SSL certificate, validity and expiry for a domain.
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HTTP Header Checker
Response headers and redirect chain for a URL.
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These tools run client-side — your data stays in your browser.