Free Developer Tools

Password Generator

Generate strong, secure passwords with configurable length and character sets. Includes entropy display and visual strength meter.

Security JavaScript

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JSON Formatter

Format, validate, and minify JSON with syntax highlighting. Instant error reporting, configurable indentation, and character stats.

Data JavaScript

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Regex Tester

Test regular expressions live with colour-coded match highlighting, capture group breakdown, and a built-in regex cheat sheet.

Regex JavaScript

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Base64 Encoder / Decoder

Encode text or binary data to Base64 or decode it back to plain text. Supports URL-safe mode and file input.

Encoding JavaScript

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Django Secret Key Generator

Generate cryptographically secure SECRET_KEY values for Django settings. Configurable length, character set, and ready-to-use code snippets.

Django Python Security

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HTML Entity Encoder

Encode special characters to HTML entities or decode them back. Includes a live browser preview and searchable entity reference table.

HTML Encoding JavaScript

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UUID Generator

Generate UUID v4 (random) and v7 (time-ordered) identifiers in bulk. Format options: uppercase, no hyphens, braces. Copy all or download as .txt.

Identity JavaScript

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Markdown to HTML

Convert Markdown to HTML with a live preview. Supports headers, tables, code blocks, lists, blockquotes, links, images and inline formatting.

Markdown HTML JavaScript

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JWT Decoder

Decode and inspect JSON Web Tokens. Parses header, payload, and signature with syntax highlighting, expiry detection, and human-readable claim timestamps.

Security Auth JavaScript

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Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, or words. Optional HTML <p> tag wrapping and classic "Lorem ipsum" opening. Copy or download instantly.

Text Design JavaScript

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