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Developer Tools

Essential code utilities, formatters, minifiers, and identifier generators designed for modern web developers and DevOps engineers.

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JSON Validator & Beautifier

Format, validate, prettify, and minify JSON data with instant syntax error detection and line-number pinpointing.

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Base64 Encoder

Encode and decode Base64 strings, binary payloads, and Data URIs with full UTF-8 and Base64URL support. 100% private in-browser.

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HTML Minifier

Compress HTML markup by stripping redundant whitespace, comments, and empty attributes without breaking pre or code blocks.

 CSS

CSS Minifier

Minify CSS stylesheets by stripping comments, consolidating color codes, removing zero units, and merging duplicate rules.

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JavaScript Minifier

Compress JavaScript code by removing whitespace, comments, and debug statements. Boost page load speed and protect source logic.

 ID

UUID Generator

Generate cryptographically secure UUIDv4 and UUIDv7 identifiers in bulk. Choose uppercase, lowercase, or stripped hyphens.

About the Developer Tools Suite

Modern full-stack development requires constant interaction with semi-structured data formats, minified web assets, and unique system identifiers. Diagnosing a malformed JSON API response, generating cryptographically secure UUIDv4 identifiers for database primary keys, or verifying Base64URL encoding for JWT authentication tokens are essential tasks performed multiple times every workday.

The TU Web Tools Developer Suite provides robust, lightweight browser utilities that streamline these workflows without the overhead of heavy desktop applications or command-line pipelines. Built by developers for developers, these utilities handle complex encoding rules, RFC specifications (including RFC 4648, RFC 8259, and RFC 4122), and asset optimization directly on your machine.

Code Minification

Compress HTML, CSS, and JavaScript by collapsing redundant whitespace and stripping comments.

JSON Validation & Formatting

Locate syntax errors, sort object keys, and format nested payloads for clean Git diffs.

Cryptographic Identifiers

Generate standards-compliant UUIDs using the browser Web Crypto API (crypto.getRandomValues).

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Free, browser based utilities for developers, SEO professionals, students and businesses.

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Free to use  •  Mobile friendly  •  No installation required