Free Online Tools

Create professional PDF invoices in seconds. Add your logo, line items, taxes, and download instantly.

Generate a legally-sound privacy policy for your website or app. GDPR & CCPA compliant templates.

Generate QR codes for URLs, text, WiFi, and vCards. Customize colors and download in PNG or SVG.

Generate strong, secure passwords with customizable length, characters, and strength meter.

Generate beautiful color palettes for your designs. Lock colors, export as CSS variables.

Generate SEO meta tags, Open Graph, and Twitter Cards with live Google & social previews.

Generate placeholder text for your designs and mockups. Paragraphs, sentences, or words.

Merge, split, compress PDFs. Convert images to PDF and PDF to images. All processing in your browser.

Count words, characters, sentences, and paragraphs instantly. See reading time estimates.

Format, validate, and minify JSON instantly. See syntax errors with line numbers.

Encode text to Base64 or decode Base64 strings. Supports UTF-8 characters.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text. Runs in your browser.

Encode or decode URLs and query strings instantly. Supports percent-encoding.

Compress JPG, PNG, and WebP images in your browser. Adjust quality, see before/after sizes.

Resize images to exact dimensions or social media presets. Supports JPG, PNG, and WebP.

Create professional HTML email signatures for Gmail, Outlook, and Apple Mail with live preview.

Generate Terms of Service for your website or app. SaaS, e-commerce, and content site templates.

Upload an image and generate favicons in all sizes. Get HTML link tags and web manifest snippet.

Compare two texts and see differences highlighted. Inline or side-by-side view.

Build cron expressions visually with dropdowns. See human-readable descriptions and next run times.

Decode and inspect JSON Web Tokens instantly. View header, payload, and expiration status.

Convert salary between annual, monthly, weekly, and hourly rates. Estimate take-home pay with US, NL, UK, and DE tax brackets.

Generate unique business name ideas instantly. Enter keywords and get creative combinations for your brand.

Convert images between JPG, PNG, and WebP formats in your browser. No upload to any server.

Test regular expressions in real time. See matches highlighted, capture groups, and match details.

Write Markdown with a live HTML preview. Export as HTML. Supports headings, lists, code, and more.

Minify or beautify CSS code instantly. Remove comments and whitespace. See size reduction stats.

Convert text to uppercase, lowercase, title case, camelCase, snake_case, kebab-case, and more.

Convert Unix timestamps to dates and vice versa. Live epoch clock, ISO 8601, and relative time.

Convert between units of length, weight, temperature, data storage, speed, area, volume, and time.

Generate random UUID v4 identifiers instantly. Bulk generation, copy, and download.

Convert JSON arrays to CSV format and CSV back to JSON. Handles nested objects with dot notation.

Calculate percentages instantly. What is X% of Y, percentage change, increase/decrease.

Convert between 30+ currencies with live ECB exchange rates. See 30-day rate history chart.

Calculate VAT for 30 countries. Add or remove VAT instantly. B2B reverse charge supported.

Validate International Bank Account Numbers for 70+ countries. Check format, length, and checksum.