Free Online Developer Tools

Essential tools for developers, designers, and tech professionals

All Tools

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JSON Formatter

Format, validate JSON

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🔒

Base64 Encoder

Encode/decode Base64

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🔍

Regex Tester

Test regex patterns

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🎨

Color Converter

HEX, RGB, HSL

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#

Hash Generator

SHA-256 hashes

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🔑

UUID Generator

Generate UUIDs

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📱

QR Code

Generate QR codes

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📝

Lorem Ipsum

Placeholder text

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📊

Text Stats

Count chars/words

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Aa

Case Converter

UPPER/lower/Title

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↔

Diff Checker

Compare text

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✓

JSON Validator

Validate JSON

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🔄

YAML to JSON

Convert YAML

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⏰

Cron Generator

Generate cron

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🌐

IPv4 Validator

Validate IP

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✉

Email Validator

Validate email

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🔢

Hex Converter

Decimal/Hex

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01

Binary Converter

Text to binary

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📄

Markdown Preview

Preview MD

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🔗

URL Parser

Parse URL

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