Irfan Aslam Tools

Exact age in years, months and days from a date of birth, total days, next birthday, and the Hijri birth date. Web version: https://irfanaslam.io/tools/age-calculator

Check bag weights against Saudia, flynas or flyadeal typical allowances by fare (or your own allowance): over-weight bags, extra bags, the 32 kg per-bag limit and the cabin bag. Web version: https://irfanaslam.io/tools/saudi-airline-baggage-allowance

Write an amount in words in Arabic (تفقيط) and English, as on Saudi cheques and invoices (فقط ... لا غير / ... only). Currencies: SAR, AED, USD, KWD, EGP, PKR, INR. Web version: https://irfanaslam.io/tools/amount-to-words

Monthly kWh and cost of appliances (AC, fridge, heater...) from watts, hours a day and quantity, at the Saudi residential tariff (21/33 halalas + VAT) or your own rate. Web version: https://irfanaslam.io/tools/appliance-energy-calculator

Write an Arabic name in English letters (usual spellings for 220 common names, letter rules for others, passport style and alternative spellings), or common English names back to Arabic. Web version: https://irfanaslam.io/tools/arabic-name-to-english

Convert digits between Western (0-9), Arabic-Indic (٠-٩) and Persian/Urdu (۰-۹), and optionally clean Arabic text: remove tashkeel and tatweel, normalise alef, ى and ة. Web version: https://irfanaslam.io/tools/arabic-numbers-converter

Check gas detector readings (O2, LEL, H2S, CO) against permit-to-work limits before confined space entry. Web version: https://irfanaslam.io/tools/confined-space-gas-test

Check a 5-field cron expression (minute hour day-of-month month day-of-week) and list its next run times in UTC or a chosen time zone. Web version: https://irfanaslam.io/tools/cron-expression-generator

Live prices of the top cryptocurrencies (Bitcoin, Ethereum, Tether, BNB, Solana, XRP and more) in Saudi riyals and US dollars with 24-hour change. Web version: https://irfanaslam.io/tools/crypto-prices-sar

Look up DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV) for a domain through Cloudflare DNS over HTTPS. Web version: https://irfanaslam.io/tools/dns-lookup

Check whether a DNS change has propagated: asks 10 public resolvers and locations (Google, Cloudflare, Quad9 and country views) for a record and compares the answers. Web version: https://irfanaslam.io/tools/dns-propagation-checker

Check an email address: syntax, whether its domain has MX records (can receive mail), common typos of popular domains and role or disposable addresses. Does not send any email. Web version: https://irfanaslam.io/tools/email-validator

Check a domain's email authentication: MX, SPF, DMARC policy and DKIM keys on common selectors, with plain-English fixes for anything missing. Web version: https://irfanaslam.io/tools/dmarc-checker

Encode or decode text as Base64, Base64URL, URL (percent) encoding, HTML entities or hex. Web version: https://irfanaslam.io/tools/encode-decode

Work out a Saudi exit re-entry visa fee (single or multiple), the return-by date and warnings if the visa runs past the Iqama expiry or the planned return. Web version: https://irfanaslam.io/tools/exit-reentry-visa-calculator

Total work experience in years, months and days from job date ranges, merging overlapping periods. Web version: https://irfanaslam.io/tools/experience-calculator

Which fire extinguisher to use (and which never to use) for a fire type, with the European/ISO/GCC and US/NFPA fire classes. Web version: https://irfanaslam.io/tools/fire-extinguisher-selector

Fuel cost of a car trip in Saudi Arabia from distance and consumption, at Aramco prices (91, 95, diesel) or your own price, split between passengers. Web version: https://irfanaslam.io/tools/fuel-cost-calculator

Live gold price in Saudi riyals per gram for 24K, 22K, 21K and 18K, per ounce and per tola, plus silver per gram (سعر الذهب اليوم في السعودية). Web version: https://irfanaslam.io/tools/gold-price-saudi-arabia

Term and cumulative GPA on the Saudi 5-point or 4-point scale or the US 4.0 scale, with the rating and the GPA needed next term to reach a target. Web version: https://irfanaslam.io/tools/gpa-calculator

Hash text with MD5, SHA-1, SHA-256, SHA-384 and SHA-512 (hex and Base64). Web version: https://irfanaslam.io/tools/hash-generator

Check heat stress for outdoor work: estimate WBGT from temperature and humidity (or use a measured WBGT), heat index, and the ACGIH work-rest regime for the work intensity and acclimatisation. Web version: https://irfanaslam.io/tools/heat-stress-calculator

Convert between Gregorian and Hijri dates using Saudi Arabia's official Umm al-Qura calendar (التاريخ الهجري). Web version: https://irfanaslam.io/tools/hijri-gregorian-converter

Convert pay between hourly, daily, weekly, monthly and yearly. Defaults to the Saudi 48-hour, 6-day week. Web version: https://irfanaslam.io/tools/hourly-to-salary-calculator

Fetch a URL and report its status, response time, all response headers and which security headers (CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy) are missing, with fixes. Web version: https://irfanaslam.io/tools/security-headers-checker

Explain an HTTP status code (including Cloudflare 52x codes) and what it means for SEO. Web version: https://irfanaslam.io/tools/http-status-codes

Calculate TRIR, LTIFR, LTIR, severity rate and fatal accident rate from hours worked and injuries (OSHA 200,000-hour and IOGP 1,000,000-hour bases). Web version: https://irfanaslam.io/tools/incident-rate-calculator

Budget the yearly cost of living in Saudi Arabia with family: dependent levy (SAR 400 per person a month), exit re-entry visas and, optionally, your own Iqama and work permit. Web version: https://irfanaslam.io/tools/iqama-dependent-fee-calculator

Convert a JSON array of objects to CSV, or CSV (with a header row) to JSON. Web version: https://irfanaslam.io/tools/json-csv-converter

Validate JSON and return it pretty-printed or minified, with the error position if it is invalid. Web version: https://irfanaslam.io/tools/json-formatter-validator

Decode a JSON Web Token's header and payload, show issued/expiry times and whether it has expired. Does not verify the signature. Web version: https://irfanaslam.io/tools/jwt-decoder

Ladder safety by the 4:1 rule (about 75.5 degrees): base distance and ladder length for a height, or check the angle from height and base distance. Web version: https://irfanaslam.io/tools/ladder-angle-calculator

Monthly instalment, total profit and the real APR of a loan or Islamic personal finance, for a flat rate (common in Saudi banks) or a reducing-balance rate, with the SAMA one-third salary check. Web version: https://irfanaslam.io/tools/loan-calculator

Find the MIME (Content-Type) for a file extension, or the extensions for a MIME type. Web version: https://irfanaslam.io/tools/mime-type-reference

Estimate a company's Saudization percentage under Nitaqat with the published counting rules (wage thresholds, part-time, disabled, students) and how many full-time Saudis to hire to reach a target. Web version: https://irfanaslam.io/tools/nitaqat-calculator

Daily noise dose and 8-hour TWA from noise levels (dBA) and durations, under OSHA (90 dBA, 5 dB rule) and NIOSH (85 dBA, 3 dB rule). Web version: https://irfanaslam.io/tools/noise-exposure-calculator

Latest Brent and WTI crude oil futures prices in US dollars and Saudi riyals per barrel. Web version: https://irfanaslam.io/tools/oil-prices

Profit per order for an online store in Saudi Arabia after 15% VAT, platform commission, payment fees (with VAT), shipping and subscription, plus break-even price and the price for a target margin. Web version: https://irfanaslam.io/tools/saudi-ecommerce-fee-calculator

Generate strong random passwords (cryptographically secure) or passphrases, with the estimated entropy. Generated on the server and not stored. Web version: https://irfanaslam.io/tools/password-generator

Percentage maths: X% of Y, X is what % of Y, percentage change from X to Y, and add or subtract a percentage (discounts, raises). Web version: https://irfanaslam.io/tools/percentage-calculator

Check a suspicious link for phishing warning signs (look-alike Saudi brands like Absher, Nafath, banks and couriers, risky domain endings, IP addresses, punycode, shorteners) and follow its redirects to the real destination. Web version: https://irfanaslam.io/tools/phishing-link-checker

Check whether a common service port (21, 22, 53, 80, 443, 465, 587, 993, 3306, 5432, 6379, 8080, 8443 and others) is open on a public host. Web version: https://irfanaslam.io/tools/port-checker

Ramadan timetable (imsakiya) for a Saudi city: imsak, fajr, maghrib (iftar) and isha for every day of the current or next Ramadan by the Umm al-Qura calendar. Web version: https://irfanaslam.io/tools/ramadan-imsakiya

Follow a URL's redirects hop by hop (up to 10) and show each status code and location, to find chains, loops and 302s that should be 301s. Web version: https://irfanaslam.io/tools/redirect-checker

Test a JavaScript regular expression against text: matches with positions and capture groups, and an optional replacement result. Web version: https://irfanaslam.io/tools/regex-tester

Rate a hazard on a 5x5 risk matrix: likelihood x severity gives a score (1-25), a band (low, medium, high, extreme) and the required action, before and after controls. Web version: https://irfanaslam.io/tools/risk-matrix-calculator

Fetch a site's robots.txt and test whether a crawler (Googlebot, Bingbot, GPTBot, ClaudeBot, or any user agent) may crawl a path; also lists the sitemaps it declares. Web version: https://irfanaslam.io/tools/robots-txt-tester

Convert Saudi riyals to or from other currencies (USD, EUR, GBP, AED, KWD, QAR, BHD, OMR, JOD, EGP, INR, PKR, BDT, PHP, IDR, LKR, NPR, CNY, JPY, TRY, CAD, AUD, CHF, MYR) with today's mid-market rate. Web version: https://irfanaslam.io/tools/sar-exchange-rates

Estimate a Saudi Electricity (SEC) bill with the tariff from 1 January 2027: slab rates per kWh, the monthly fixed fee by breaker size and 15% VAT, with the old 2026 cost for comparison. Web version: https://irfanaslam.io/tools/saudi-electricity-bill-calculator

Calculate the end-of-service award (gratuity / مكافأة نهاية الخدمة) under Saudi Labor Law Articles 84 and 85, including the reduction on resignation. Web version: https://irfanaslam.io/tools/saudi-end-of-service-calculator

Estimate a full final settlement (المخالصة النهائية) in Saudi Arabia: end-of-service award plus unused leave, unpaid salary days and notice pay, less deductions. Web version: https://irfanaslam.io/tools/saudi-final-settlement-calculator

Current Aramco retail fuel prices in Saudi Arabia (petrol 91, petrol 95 and diesel, SAR per litre), optionally with a trip or fill-up cost. Web version: https://irfanaslam.io/tools/saudi-fuel-prices

Calculate monthly GOSI (social insurance, التأمينات الاجتماعية) contributions for employee and employer in Saudi Arabia, including the new-law annuity rates for people first registered from 3 July 2024. Web version: https://irfanaslam.io/tools/saudi-gosi-calculator

Check a Saudi IBAN (SA + 22 digits) with the mod-97 check digits and identify the bank from its code. Web version: https://irfanaslam.io/tools/saudi-iban-validator

Saudi Labor Law leave: annual leave balance (Article 109), sick leave pay (Article 117) or maternity leave dates (Article 151 as amended February 2025). Web version: https://irfanaslam.io/tools/saudi-leave-calculator

Work out net (take-home) salary in Saudi Arabia after GOSI, plus the total monthly and yearly cost to the employer (including the expat levy for non-Saudis). Web version: https://irfanaslam.io/tools/saudi-salary-calculator

Calculate overtime pay under Saudi Labor Law Article 107: normal hourly wage plus 50% of the basic hourly wage for each overtime hour. Web version: https://irfanaslam.io/tools/saudi-overtime-calculator

Prayer times (مواقيت الصلاة) for a Saudi city or any coordinates using the Umm al-Qura method (Fajr 18.5 degrees, Isha 90 minutes after Maghrib, 120 in Ramadan). Web version: https://irfanaslam.io/tools/saudi-prayer-times

Saudi Labor Law dates (as amended February 2025): when probation ends (Eid days and sick leave not counted), the last day of a notice period, or when a fixed-term contract ends. Web version: https://irfanaslam.io/tools/saudi-probation-notice-calculator

Saudi traffic violation fines (red light, phone, seatbelt, drifting, parking and more) and the Saher speeding fine band for a speed over the limit. Web version: https://irfanaslam.io/tools/saudi-traffic-fines

Add 15% Saudi VAT to a net price or extract VAT from a VAT-inclusive price (ضريبة القيمة المضافة). Web version: https://irfanaslam.io/tools/saudi-vat-calculator

Estimate a National Water Company (NWC) residential bill with the tariff from 1 January 2027: tiered water rates, wastewater at half the water rate, fixed fees by meter size and 15% VAT. Web version: https://irfanaslam.io/tools/saudi-water-bill-calculator

On-page SEO check of a URL: title and meta description length, H1s, canonical, robots meta and X-Robots-Tag (indexability), Open Graph and Twitter tags, hreflang, image alt text, word count and status. Web version: https://irfanaslam.io/tools/meta-tag-analyzer

Fetch and check an XML sitemap or sitemap index: URL count, lastmod coverage, size limits, URLs on other hosts and sample URLs. Web version: https://irfanaslam.io/tools/sitemap-validator

Rigging: load angle factor and tension per sling leg from the load weight, number of legs and the sling angle, with a WLL check. Web version: https://irfanaslam.io/tools/sling-angle-calculator

Find when a domain's SSL/TLS certificate expires and who issued it, from public Certificate Transparency logs. Web version: https://irfanaslam.io/tools/ssl-checker

IPv4 subnet details from CIDR (e.g. 192.168.1.10/24): network, broadcast, netmask, wildcard, first and last host, host count, and whether it is private. Web version: https://irfanaslam.io/tools/subnet-calculator

Count words, characters, sentences and paragraphs, estimate reading time, and list the top keywords with their density (works for English and Arabic). Web version: https://irfanaslam.io/tools/word-counter

Convert a Unix timestamp (seconds or milliseconds) to ISO, UTC and Riyadh time, or a date-time to a Unix timestamp. Omit input for the current time. Web version: https://irfanaslam.io/tools/timestamp-converter

Turn a title into a clean, lowercase, hyphenated URL slug (accents removed; Arabic kept as is or dropped). Web version: https://irfanaslam.io/tools/url-slug-generator

Identify the browser, version, operating system, device type and known bots from a User-Agent string. Web version: https://irfanaslam.io/tools/user-agent-analyzer

Generate random UUIDs (version 4) or time-ordered UUIDs (version 7). Web version: https://irfanaslam.io/tools/uuid-generator

Run a website health check on a domain: HTTPS and redirects, SSL expiry, HSTS and security headers (CSP, X-Frame-Options and more), email security, DNSSEC, CAA, IPv6, domain expiry and basic SEO, with a score and fixes. Web version: https://irfanaslam.io/tools/website-health-check

Domain registration details via RDAP: registration, expiry and update dates, status and nameservers. Web version: https://irfanaslam.io/tools/whois-lookup

Count working days between two dates, or find the date N working days after a start date, skipping weekends and Saudi public holidays (Founding Day, National Day, Eid al-Fitr, Eid al-Adha). Web version: https://irfanaslam.io/tools/working-days-calculator

Calculate zakat (الزكاة) on personal savings or a trading business at 2.5%, with the nisab worked out from the live gold price (85 g) unless a gold price is given. Web version: https://irfanaslam.io/tools/zakat-calculator

Upcoming ZATCA filing deadlines: monthly or quarterly VAT returns, withholding tax (10th of the next month) and the zakat/income tax return (120 days after year end), with weekend shifts. Web version: https://irfanaslam.io/tools/zatca-deadline-calendar

Create the Base64 TLV text for a ZATCA Phase 1 simplified e-invoice QR code (seller, VAT number, timestamp, total, VAT), or decode the text read from any ZATCA invoice QR. Web version: https://irfanaslam.io/tools/zatca-qr-code