Every tool, in one place

Format, validate, and minify JSON with syntax highlighting.

Beautify messy or minified JSON with proper indentation and syntax highlighting.

Validate JSON against strict syntax rules with line-level errors.

Convert JSON arrays into clean, downloadable CSV files.

Compare two JSON objects and highlight what changed.

View a JSON array as a sortable, filterable table - export to Markdown.

Generate TypeScript interfaces from a JSON sample, with nested types.

Convert a Markdown table or spreadsheet paste into JSON - format auto-detected.

Encode text to Base64, with correct Unicode handling.

Decode Base64 back to readable text, with correct Unicode handling.

Percent-encode URLs and query strings, component or full-URI mode.

Decode percent-encoded URLs and query strings back to readable text.

Escape or unescape HTML entities safely.

Decode JWT header and payload, with expiry and claims shown clearly.

Convert XML into JSON, with attributes, nesting, and repeated tags handled automatically.

Convert JSON into well-formed XML, following the @attribute / #text convention.

Format, minify XML - with mismatched-tag detection and line/column errors.

Check if XML is well-formed, with exact line/column error reporting.

Convert YAML config files into JSON, with precise error line/column reporting.

Convert JSON into readable YAML, with block or compact flow style.

Create strong, random passwords with custom rules.

Generate MD5, SHA-1, and SHA-256 hashes instantly.

Generate v1 and v4 UUIDs in bulk.

Hash and verify passwords using bcrypt, entirely offline.

Generate placeholder text in paragraphs, words, or bytes.

Turn any text or URL into a downloadable QR code.

Convert any string into a clean, URL-safe slug.

Convert colors between HEX, RGB, HSL, and CMYK — online color converter with live preview.

Convert Unix timestamps to and from human-readable dates.

Convert CSV files into structured JSON, with optional type inference.

Render Markdown into clean, copyable HTML.

Convert CSV rows into ready-to-run SQL INSERT statements.

Convert numbers between binary, octal, decimal, and hex - instantly, any size.

Format SQL queries with proper indentation, keyword casing, and clause breaks.

Safely shrink JavaScript by stripping comments and whitespace - never joins lines.

Reformat minified JavaScript back into readable, indented code.

Compress CSS by stripping comments and all unnecessary whitespace.

Reformat minified CSS back into a readable, indented stylesheet.

Compress HTML by stripping comments and whitespace between tags.

Reformat minified HTML back into a readable, indented document.

Test regular expressions live with match highlighting.

Count words, characters, and reading time instantly.

Switch between camelCase, snake_case, kebab-case, and more.

Design and export CSS gradients visually.

Check WCAG color contrast ratios for accessibility.

Find the exact difference between two dates - years, months, days.

Find your exact age in years, months, and days - plus next birthday countdown.

Translate cron expressions into plain English, with next run times.

Compress images without losing quality - right in your browser.

Convert images between PNG, JPG, and WebP formats instantly.

Resize images by pixels, percentage, or social-media preset.

Convert an image into a ready-to-use Base64 data URI.

Generate all standard favicon sizes from one uploaded image.

Upload a video, get a QR code anyone can scan to watch it on their phone.