Free Developer & Everyday Tools

Free everyday developer utilities that run entirely in your browser. Format and validate JSON, encode Base64 and URLs, generate UUIDs and strong passwords, hash text, test regular expressions, convert colors and cases, build cron expressions, and slugify titles.

General Tools

13 tools
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Base64 Encoder & Decoder

Encode or decode Base64 text and files, Unicode-safe, with image previews and a URL-safe mode.

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Case Converter

Convert text to camelCase, snake_case, kebab-case, Title Case, and more.

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Color Converter

Convert colors between HEX, RGB, HSL, OKLCH, CSS names, and the Discord decimal integer.

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Cron Expression Builder

Build, explain, and preview cron schedules with the next run times.

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Hash Generator

Hash text or files to MD5, SHA-1, and SHA-2, and verify a download against its checksum.

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JSON Formatter & Validator

Beautify, minify, and validate JSON with clear error messages and indent options.

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Password Generator

Create strong random passwords with crypto-grade entropy and a live strength meter.

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QR Code Generator

Make styled, scannable QR codes for links or Wi-Fi, with colors, gradients, dots, and a center logo.

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Regex Tester

Test regular expressions live with match highlighting, capture groups, and replace.

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Slug Generator

Turn any title into a clean, SEO-friendly URL slug with accent stripping.

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Unix Time Converter

Convert between Unix timestamps and human dates, both ways, with timezones.

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URL Encoder & Decoder

Percent-encode or decode text and links in component or full-URL mode.

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UUID Generator

Generate secure v4 or time-ordered v7 UUIDs in bulk, and inspect any UUID.

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Learn the concepts

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