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Developer Tools

Essential utilities for developers and programmers. Format code, generate hashes, decode tokens, and more - all with complete privacy and no signup required.

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JSON Formatter & Validator

Format, validate, and minify JSON data with syntax highlighting

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Base64 Encoder/Decoder

Encode and decode Base64 strings with file support

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Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes

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JWT Token Decoder

Decode and analyze JSON Web Tokens

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URL Encoder/Decoder

Encode and decode URL components safely

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HTML Entity Encoder

Convert special characters to HTML entities

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CSS Minifier

Minify and optimize CSS code

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JavaScript Minifier

Minify and compress JavaScript code

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Code Diff Checker

Compare code files and highlight differences

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Cron Expression Parser

Parse and validate cron expressions

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Regular Expression Tester

Test and debug regex patterns

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API Response Formatter

Format and validate API responses

Why Choose Our Developer Tools?

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100% Privacy

All processing happens in your browser. Your code never leaves your device.

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Lightning Fast

Instant results with optimized algorithms and minimal overhead.

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Mobile Ready

Works perfectly on desktop, tablet, and mobile devices.

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Always Free

No limits, no premium tiers, no hidden costs. Free forever.

Related Tools

Discover more utilities that complement this tool and enhance your workflow.

Regex Tester

Test and debug regular expressions

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JWT Decoder

Decode and inspect JSON Web Tokens

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Timestamp Converter

Convert Unix timestamps to dates

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HTML Minifier

Minify HTML code to reduce file size

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Frequently Asked Questions

Are these developer tools completely free?
Yes, all developer tools are completely free with no usage limits, no signup required, and no premium tiers. We believe essential development tools should be accessible to everyone.
Do you store or log the code I process?
No, all processing happens entirely in your browser. Your code never leaves your device or gets sent to our servers. This ensures complete privacy for your sensitive code and data.
Can I use these tools offline?
Most tools work offline once loaded, as they're purely client-side JavaScript applications. However, you need an initial internet connection to load the tool pages.
How often are these tools updated?
We continuously update and improve our tools based on user feedback and new web standards. Major updates are deployed weekly, with bug fixes released as needed.