Developer Tools

Encode UTF-8 text or local files to Base64, decode standard and URL-safe Base64, validate input, inspect bytes and download decoded data.

Encode full URLs, components and form data; decode percent-encoded text; parse URL parts and inspect repeated query parameters safely in your browser.

Format, validate, minify and inspect JSON locally with tree view, path table and error feedback.

Generate SHA hashes from UTF-8 text or local files, copy HEX and Base64 digests, and verify published checksums privately in your browser.

Generate secure random UUID v4 values in batches, choose standard, compact, braces or URN output, and validate UUID versions locally in your browser.

Format, minify and inspect CSS locally with safe string-aware processing, selector statistics, validation hints, sandboxed preview and downloadable output.

Format, conservatively minify and inspect JavaScript locally with ASI-safe line handling, modern syntax tokenization, structure summaries and no code execution.

Test JavaScript regex safely with worker timeouts, match and capture indices, modern flags, highlighting, replacement output and local browser processing.

Search all 128 ASCII codes by decimal, hexadecimal, binary, HTML entity, character or description. Filter, inspect, copy and download the table locally.

Validate, format, minify and inspect XML locally with safe DOM parsing, mixed-content preservation, tree view, element paths, statistics and downloads.

Convert strict HEX, RGB, RGBA, HSL, HSLA, HSV, HWB, CMYK, and named colors with alpha preview, copy actions, composited WCAG contrast, and a color chart.

Pick colors with HEX and synchronized RGB controls, copy six color formats, generate six palette types, inspect tints and shades, and check WCAG text contrast locally.

Preview, sanitize, inspect, and extract text from HTML locally with a script-disabled sandbox, network blocking, viewport controls, DOM statistics, and accessibility hints.

Minify and beautify HTML locally with quote-aware attributes, protected whitespace blocks, comment controls, inline CSS compression, size savings, isolated previews, and no uploads.

Encode and decode HTML entities locally. Convert special characters, named entities, decimal references, hexadecimal references, quotes, spaces, and Unicode text.

Parse HTTP and HTTPS URLs locally. Inspect protocol, origin, host, path, raw and decoded query values, hashes, UTM tags, tracking parameters, and encoded components.

Parse user agent strings locally into browser, operating system, device, engine, CPU, bot type, tokens, Client Hints, and structured JSON.

Generate QR codes locally for URLs, text, Wi-Fi, email, phone, SMS, contacts and locations with PNG and SVG export.

Generate secure random passwords and readable passphrases locally with Web Crypto, policy presets, batch output, entropy, and crack-time estimates.