Loan amortization schedule
Open →Aspect ratio & resize calculator
Open →Swiss AHV number validator (756.)
Open →Number base converter (bin/oct/dec/hex)
Open →Mortgage affordability (Switzerland)
Open →Case converter (10 formats)
Open →Word counter & reading time
Open →WCAG contrast & color accessibility
Open →Cron expression explainer
Open →CSV cleaner & duplicate remover
Open →Fake / test data generator
Open →Converter JSON ⇄ CSV ⇄ Excel
Open →Date & deadline calculator
Open →Text compare (diff, LCS)
Open →Duration converter (s ⇄ d/h/m)
Open →Base64 · URL · hex · JWT (encode/decode)
Open →HTML entities (encode / decode)
Open →Unix timestamp ⇄ date (ISO/UTC)
Open →Swiss QR-bill, compliant (ISO 20022 / SIX)
Open →Time-zone converter (DST)
Open →Hash generator SHA-1/256/384/512
Open →IBAN validator & formatter
Open →BMI calculator + WHO categories
Open →JSON formatter & validator
Open →Amount in words (CHF / EUR)
Open →Password generator + entropy
Open →Percentage calculator (5 modes)
Open →Pro-rata rent (Switzerland, 30-day method)
Open →QR code generator (Wi-Fi, vCard…)
Open →Regular expression tester
Open →Slug / clean URL generator
Open →IP subnet / CIDR calculator
Open →Swiss phone number (E.164)
Open →Rule of three / proportion
Open →Swiss VAT calculator (8.1 / 2.6 / 3.8%)
Open →Unit converter (7 categories)
Open →