Fast & Secure Developer Web Tools

Zero-login developer tools portal for instant problem solving

Network Tools

Network ToolsLive / API

My IP & IP Lookup

Check your public IP address, ISP, ASN, and geographic location. Query any IPv4/IPv6 address instantly.

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Network ToolsTCP Socket

Open Port Checker

Verify if a TCP port on an external IP or domain is open through server-side TCP connection testing.

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Code & Data Utilities

Code & Data UtilitiesInstant

JSON Formatter & Validator

Format (Pretty Print) or minify JSON data with real-time syntax validation and error position detection.

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Code & Data UtilitiesUTF-8

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 to text with full UTF-8, Korean, and Emoji support.

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Code & Data UtilitiesRFC 3986

URL Encoder / Decoder

Encode and decode URLs, query parameters, and special characters adhering to RFC 3986 and Form URL-encoded standards.

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Code & Data UtilitiesWeb Crypto

UUID v4 Generator

Generate cryptographically strong standard RFC 4122 v4 UUIDs.

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Code & Data UtilitiesLocal Decode

JWT Decoder

Decode JWT headers and payloads locally in your browser.

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Code & Data UtilitiesJavaScript

Regular Expression Tester

Test a JavaScript regular expression and flags against text locally.

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Code & Data UtilitiesWeb Crypto

Hash Generator

Hash text locally in your browser with SHA-256, SHA-384, or SHA-512.

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Code & Data UtilitiesUTC / Local

Unix Timestamp Converter

Convert Unix seconds or milliseconds and dates without guessing the input unit.

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Code & Data UtilitiesDB2Code

DB2Code (DB Column Code Converter)

Instantly convert table definitions and DB column lists into CamelCase, Java VO, TypeScript Interface, MyBatis ResultMap, and SQL statements.

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Core Principles of AurumTools

Instant & Setup-Free

Use essential developer tools directly in your browser without installing CLI packages or extra software.

Speed & Simplicity

No account registration required. Open the URL and solve your task instantly.

Mobile & Responsive First

Zero horizontal scroll and comfortable ergonomics across all device viewports.