Outils numériques gratuits

Calculateurs et outils interactifs 100 % gratuits pour le SEO, les revenus AdSense, l’e-commerce et les développeurs

• Smart Word, Character & Text Density Counter

  Instant tool to count words, characters (with and without spaces), sentences, paragraphs, estimated reading time, and keyword density.

• Google AdSense Revenue Calculator (RPM & CPC)

  Calculate estimated daily, monthly, and yearly Google AdSense earnings based on page impressions, click-through rate (CTR), and cost per click (CPC).

• Strong Password Generator & Security Entropy Checker

  Generate cryptographically secure random passwords and test password strength, entropy bits, and estimated crack time.

• Direct WhatsApp Link Generator with Pre-filled Message

  Create a direct WhatsApp chat link (wa.me) with a custom pre-filled welcome message without saving the phone number in contacts.

• E-Commerce Profit Margin, ROI & Discount Calculator

  Calculate net profit, profit margin percentage, return on investment (ROI), and selling price after discounts and platform fees.

• Comprehensive VAT Calculator (Add & Extract Tax)

  Fast Value Added Tax (VAT) calculator supporting 15%, 14%, 5%, 20%, or any custom tax rate—both adding VAT to net price or extracting VAT from gross price.

• SEO Meta Tags Generator & Google SERP Preview

  Generate standard HTML Meta Tags, OpenGraph, and Twitter Cards with a live Google search result (SERP) preview.

• SEO-Friendly Clean URL Slug Generator

  Convert article titles into clean, search-engine-friendly URL slugs stripped of special characters and stop words.

• Online JSON Formatter, Validator & Minifier

  Beautify, format, validate, and minify JSON data online with instant syntax error detection and byte size calculation.

• Universal Base64 & URL Encoder / Decoder (UTF-8)

  Encode and decode text in Base64 (full UTF-8 support) or encode/decode web URLs with a single click.

• High-Resolution Custom QR Code Generator (PNG)

  Create custom high-resolution QR codes for URLs, text, phone numbers, or Wi-Fi networks with custom colors and instant PNG download.

• File Download Time, Bandwidth & Data Unit Calculator

  Calculate exact download time for any file, game, or OS update (MB, GB, TB) based on your internet speed (Mbps), with a built-in data unit converter.

• محول وحاسبة العملات الرقمية المباشرة

  تحويل لحظي لأسعار أكثر من 200 عملة رقمية إلى العملات المحلية.

• اختبار سرعة الإنترنت وقياس سرعة النت مجانًا أونلاين

  اختبر سرعة الإنترنت مجانًا مع العنكبوت للمعلومات. قِس سرعة النت والتحميل والرفع وPing وJitter، واكتشف جودة اتصالك في مصر والسعودية والدول العربية دون تحميل برامج.