SuperToolsOnline

Developer Tools

High-performance utilities for developer tools.

15 Tools Available
Developer Tools / Native

JSON Formatter & Validator

A high-performance editor that cleans, beautifies, and validates JSON strings with instant feedback.

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Developer Tools / Native

Secure Password Generator

A browser-native utility using cryptographically secure random number generation to create high-entropy passwords.

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Developer Tools / Native

UUID Generator

Instantly generate RFC-compliant UUIDs for use in databases or APIs.

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Developer Tools / Native

Base64 Encoder/Decoder

Convert text or files to and from Base64 encoding.

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Developer Tools / Native

Regex Tester

Test and debug regular expressions with live match highlighting.

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Developer Tools / Native

Timestamp Converter

Convert between Unix timestamps and human-readable dates.

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Developer Tools / Native

Color Picker & Converter

Pick colors and convert between HEX, RGB, HSL, etc.

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Developer Tools / Native

Markdown Previewer

Write and preview Markdown with live rendering.

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Developer Tools / Native

URL Encoder/Decoder

Encode or decode URLs for safe web usage.

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Developer Tools / Native

HTML Escape/Unescape

Convert special characters to HTML entities and back.

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Developer Tools / Native

JWT Decoder

Decode and inspect JSON Web Tokens securely in the browser.

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Developer Tools / Native

Diff Checker

Compare two text blocks and highlight differences.

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Developer Tools / Native

Hash Generator - MD5, SHA, BLAKE2

Generate cryptographic hashes instantly. Supports MD5, SHA-1, SHA-256, SHA-512, and BLAKE2 with bulk processing.

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Developer Tools / Native

SQL Formatter & Beautifier

Format, beautify, and minify SQL queries instantly. Supports SELECT, INSERT, UPDATE, DELETE, and complex queries.

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Developer Tools / Native

Mock Data Generator - Users, Emails, Addresses

Generate realistic fake data for testing. Create users, emails, addresses, phone numbers, and credit cards in CSV or JSON.

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