Developer tools

Create ZIP Combine multiple files of any type into a single compressed .zip file, right in your browser. Extract ZIP Open ZIP files without installing anything. Preview the contents and download only the files you need. JSON Formatter Format, validate, and minify JSON with helpful error highlighting. Encode and decode Base64 Convert text or files to and from Base64. UUID Generator Generate UUID v4 and v7 values in bulk, with or without hyphens. Hash Generator Calculate SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text and files. Slug Generator Turn titles into clean, readable URLs without accents. JSON to CSV Convert JSON arrays to CSV for Excel or Google Sheets, with nested objects flattened. CSV to JSON Convert CSV spreadsheets to JSON with delimiter detection, data types, and header support. URL Encode and Decode Encode and decode URLs and parameters (%20, %C3%A7), and inspect each part of a URL. HTML Entity Encoder and Decoder Convert <, >, &, quotes, and accented characters to HTML entities (&lt;, &aacute;) and back again. Decode JWT View a JWT token's header and payload, with readable expiration dates—without sending the token. Unix Timestamp Converter Convert Unix timestamps to dates and times—and vice versa—in any time zone. Regex tester Test regular expressions in real time with highlighting, capture groups, and replacement. CSS, HTML, and JSON Minifier Reduce the size of CSS, HTML, and JSON by removing comments and whitespace without changing how your code works. Color Converter Convert colors between HEX, RGB, HSL, HSV, and CMYK, and check the WCAG contrast between two colors. CSS Gradient Generator Create linear, radial, and conic gradients with multiple colors, then copy the ready-to-use CSS. Convert YAML to JSON Convert YAML (Docker Compose, Kubernetes, GitHub Actions) to formatted JSON, with errors pinpointed by line. Convert JSON to YAML Convert JSON to clean, readable YAML for docker-compose, Kubernetes, CI/CD, and configuration files. Format and validate XML Indent, minify, and validate XML with the exact line number for each error—great for invoices, SOAP, RSS, and SVG. Format SQL Make SQL queries easier to read with consistent indentation and keywords, for PostgreSQL, MySQL, SQL Server, and SQLite. Explain cron expression Translate cron expressions into plain English, see the next 5 run times, and build schedules with a visual generator. Number Base Converter Convert between binary, octal, decimal, and hexadecimal—or any base from 2 to 36—with no size limit. Convert HTML to Markdown Turn HTML (web pages, emails, blog posts) into clean Markdown with tables, links, and code blocks. Markdown Table Generator Build tables in a visual editor (or paste them from Excel) and export them as Markdown, HTML, or CSV. CSS Box Shadow Generator Create layered CSS shadows with inset options and a live preview, then copy the ready-to-use code. CSS Border-Radius Generator Round each corner separately, create elliptical and organic shapes, and copy the CSS with a live preview. Escape and Unescape Strings Escape quotes, slashes, and line breaks for JSON, JavaScript, C#, SQL, and regex—and unescape them again.