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Developer Tools

Browser-based developer tools to format, validate, encode, optimize, and inspect code or structured data workflows.

Developer Tools

Base64 Encoder/Decoder

Encode or decode Base64 strings instantly with local processing.

Developer Tools

URL Encoder/Decoder

Encode or decode URLs and query parameters instantly.

Developer Tools
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JSON Formatter

Format and validate JSON with a fast developer tool for readable output, error checks, and local processing.

Developer Tools

Hash Generator

Generate MD5, SHA-256, and SHA-512 hashes from any text locally.

Developer Tools

UUID Generator

Generate UUID v4 values in bulk with format options.

Developer Tools

CSV ↔ JSON Converter

Convert CSV to JSON or JSON to CSV with validation and instant downloads.

Developer Tools

Regex Tester

Test regex patterns against text with match and group details.

Developer Tools

Markdown to HTML

Convert Markdown into clean HTML with preview-ready output.

Developer Tools

CSS Minifier

Minify CSS by removing comments and extra whitespace.

Developer Tools

JS Minifier

Minify JavaScript locally for quick debugging and compact sharing.

Developer Tools

JWT Decoder

Decode JWT headers and payload claims locally without uploads.

Developer Tools

XML Formatter

Pretty-print XML with clean indentation and readable structure.

Developer Tools

Diff Checker

Compare two text blocks line by line and review changes.

Developer Tools

YAML to JSON

Convert YAML documents into formatted JSON instantly.

Developer Tools

SVG Optimizer

Optimize inline SVG markup by stripping comments and excess whitespace.

Developer Tools

Binary / Hex / Decimal Converter

Convert binary, decimal, and hex values with synchronized output.

Developer Tools

HTML Encoder/Decoder

Encode or decode HTML entities instantly for safer snippets.

Explore other categories

Browse related categories and discover more tools for your workflow.

📄

PDF

31 tools

Fast, secure, private PDF tools to merge, compress, organize, and convert files locally in your browser.

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Image

15 tools

Fast, free image tools to compress, resize, and optimize images with secure local processing.

📋

Office

8 tools

Private Microsoft Office conversion tools for documents, spreadsheets, and presentations.