Free Web Tools

Encode and decode text or files to/from Base64, with file upload and download support. All processing runs in your browser.

Convert HEX color codes to RGB and RGBA values instantly. Enter any 3 or 6-digit hex code and get the CSS-ready output.

Convert Unix timestamps to human-readable dates and back. Supports seconds and milliseconds with local and UTC timezone display.

Create CSS box shadow effects visually. Adjust blur, spread, offset, color, and inset. Live preview and ready-to-copy CSS.

Encode special characters to HTML entities and decode them back. Covers &, <, >, ", and all named entities.

Encode and decode URLs using RFC 3986 (%20 for spaces) or RFC 1738 (+ for spaces). Supports full URL or component encoding.

Create custom linear and radial CSS gradients with a live preview. Adjust colors and angle, then copy the CSS property.

Create harmonious color palettes — complementary, triadic, split-complementary, and analogous schemes from any base color.

Convert PNG, JPG, WebP, AVIF or GIF images to PNG, JPG or WebP without uploading them. Adjust quality, compare the before and after size, download.

Generate SEO meta tags for title, description, Open Graph, and Twitter Card properties. Preview and copy the HTML snippet.

Create an XML sitemap to help search engines index your website. Add URLs with priority and change frequency settings.

Count words, characters, sentences, and paragraphs instantly. Includes estimated reading time and average word length.

Generate Lorem Ipsum placeholder text by word, sentence, or paragraph count with optional HTML paragraph output. Up to 5000 words.

Generate strong random passwords with custom length, uppercase, lowercase, digits, and symbols. Copy multiple at once.

Format, validate, and minify JSON data directly in your browser. Includes collapsible tree view with syntax highlighting.

Test regular expressions with real-time match highlighting, capture group display, replace output, and multi-flag support.

Generate MD5, SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512 cryptographic hashes of any string using the Web Crypto API.

Decode and inspect JWT tokens — view header algorithm, payload claims, and issued/expiry dates without needing the secret key.

Generate multiple random UUID v4 identifiers in bulk directly in your browser. Copy individually or all at once.

Compare two text blocks and highlight insertions, deletions, and unchanged lines side by side or inline.

Generate QR codes from any URL, text, or data and download as a high-resolution PNG for print or digital use.

Advanced color picker with HEX, RGB, HSL, and CMYK conversion. Supports alpha channel, clipboard copy, and color history.

Check foreground/background color contrast ratios and verify WCAG 2.1 AA and AAA accessibility compliance in real time.

Convert text between camelCase, snake_case, PascalCase, kebab-case, UPPER_SNAKE, and dot.case formats in one click.

Calculate your exact age in years, months, and days from your birth date. Also shows the next birthday countdown.

Convert values between length, weight, temperature, speed, area, and volume units. Instant results across 50+ unit types.

Create a robots.txt file to control search engine crawler access. Set allow and disallow rules per user-agent with live preview.

Format and beautify XML with configurable 2/4/tab indentation, text-node trimming, and XML declaration toggle.

Format SQL queries with consistent indentation and keyword casing. Supports MySQL, PostgreSQL, SQL Server, Oracle, SQLite, BigQuery and Spark SQL.

Compress and optimize images directly in your browser. Reduce file size with adjustable quality, convert format and resize — 100% client-side, no upload to servers.