Developer & Web Utilities

Base Converter

Convert numbers between Binary (base 2), Octal, Decimal, and Hexadecimal (base 16).

Binary Hex

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Unix Timestamp

Convert Unix epoch seconds and milliseconds to human-readable dates and UTC times.

Epoch UTC Date

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JSON Formatter & Validator

Format, minify, and validate JSON payloads with visual syntax highlighting and error lines.

JSON Pretty Print

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Base64 Encoder & Decoder

Encode plaintext to Base64 strings or decode Base64 chunks with full UTF-8 support.

Encode Decode

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URL Encoder & Decoder

Encode special characters into percent-encoded URI strings and sanitize URLs.

URL Encode URI Safe

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Password Generator

Generate cryptographically secure passwords with custom character rules and strength scores.

Entropy Crypto-Random

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Color Converter

Convert web color codes between HEX, RGB, RGBA, and HSL with interactive swatches.

HEX RGB/HSL

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Hash Generator

Calculate cryptographic message digests in SHA-256, SHA-512, and SHA-1 client-side.

SHA-256 Checksum

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UUID Generator

Generate batch RFC 4122 compliant version 4 UUIDs with zero collision risk.

UUID v4 GUID

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Signature Generator

Draw and export digital signatures as transparent PNG assets without watermarks.

Canvas PNG Export

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