Free Online Developer Tools & Generators

Generators, converters, and Base64 encode/decode utilities for developers and everyday users. Fast, private, no signup.

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QR Code Generator

Create customizable QR codes with logos, colors, and designs

Developer Tools

Generate MD5, SHA-1, SHA-256, SHA-512, SHA-3, BLAKE2 and more hashes instantly

Developer Tools

Base64 Encode/Decode

Encode and decode Base64 strings easily

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Showing 15 of 18 tools

Developer Tools

Generate MD5, SHA-1, SHA-256, SHA-512, SHA-3, BLAKE2 and more hashes instantly

Developer Tools

Base64 Encode/Decode

Encode and decode Base64 strings easily

Developer Tools

Image to Base64 Converter

Convert images to Base64 data URIs and decode Base64 back to PNG, JPG, WebP, SVG, or GIF

Developer Tools

Format, validate and minify JSON data with syntax highlighting

Developer Tools

Generate bulk UUIDs (v4, v1, v7) instantly

Developer Tools

JWT Encoder/Decoder

Decode, verify, and create JSON Web Tokens (JWT) with HS256 signing

Developer Tools

Color Converter

Convert between HEX, RGB, and HSL color formats with live preview

Developer Tools

URL Encode/Decode

Percent-encode or decode URLs and query strings

Developer Tools

Timestamp Converter

Convert Unix timestamps to human-readable dates and back

Developer Tools

Lorem Ipsum Generator

Generate placeholder text for your designs and mockups

Count words, characters, sentences and reading time

Convert text to UPPER, lower, Title, camelCase, snake_case, kebab-case

Text Diff Checker

Compare two texts side-by-side and highlight the differences

QR Code Generator

Create customizable QR codes with logos, colors, and designs

Password Generator

Generate strong, secure passwords with customizable options

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