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Word Counter — count words, characters & reading timeCount words, characters, sentences and reading time — in text or TXT/PDF/DOCX files.Unit Converter — length, weight, temperature & moreConvert length, mass, volume, area, speed, data and temperature.Currency Converter — live ECB exchange ratesConvert 30+ currencies with daily ECB reference rates.Loan Calculator — monthly payment & amortizationMonthly payment & schedule for annuity, balloon and interest-only loans — with down payment.Gross-to-Net Salary Calculator — Germany & AustriaEstimate net salary after tax and social security (DE & AT).Text Analyzer — readability score & statisticsReadability score, reading level, sentence and word statistics.Lorem Ipsum Generator — placeholder text in secondsGenerate Lorem Ipsum placeholder text by paragraphs, sentences or words.File Converter — images & PDF, in your browserConvert images and PDF locally: PNG, JPG, WebP, HEIC, SVG and more.QR Code Generator — custom design, logo & branding, PNG + SVGCreate custom QR codes with shapes, gradients, a logo and branding text. PNG & SVG.Password Generator — strong, random & localStrong random passwords with length, character classes and a strength meter.BMI Calculator — body mass index & healthy weightBody mass index, WHO category and healthy weight range — metric or imperial.Percentage Calculator — % of, change & morePercent of a value, what percent, percentage change and increase/decrease.Age Calculator — exact age in years, months & daysExact age in years/months/days, total weeks & days, next-birthday countdown.Date Difference Calculator — days between two datesDays, weeks and a years/months/days breakdown between any two dates.Working Days Calculator — business days between two datesMon–Fri business days between dates, optionally excluding German public holidays.Base64 Encode & Decode — local, UTF-8 safeEncode and decode Base64 (incl. URL-safe), UTF-8 correct, 100% in your browser.URL Encode & Decode — percent-encoding, localPercent-encode/decode URLs and query values (component or full URI), 100% local.Hash Generator — SHA-256, SHA-512 & more, localSHA-1/256/384/512 checksums of text via Web Crypto, all live, 100% in your browser.Case Converter — UPPERCASE, lowercase, Title Case & moreUPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case & more — local, language-aware.Text Diff — compare two texts, 100% localCompare two texts line by line with word highlights, side-by-side or inline — no upload.Sort Lines & Remove Duplicates — local list cleanupSort lines, remove duplicates and empty lines, trim, reverse — with live statistics, no upload.Slug Generator — clean URL slugs from any titleGenerate URL slugs with German umlaut mode (ä→ae), hyphen or underscore, live output — no upload.JSON Formatter & Validator — local, with error positionFormat, minify and validate JSON with exact error position, 100% in your browser.Unix Timestamp Converter — epoch to date and backTimestamp to date and back, seconds/ms auto-detected, all IANA time zones, live clock.UUID Generator — v4 and v7, single or bulkUUID v4 (random) and v7 (time-sortable) per RFC 9562, bulk up to 100, 100% in your browser.JWT Decoder — read tokens locally, signature NOT verifiedDecode JWT header, payload and claims locally. Signature shown but never verified.VAT Calculator — net, gross & VAT amountNet to gross, gross to net and VAT amount for DE, AT, CH or a custom rate.PDF Tools — merge, split, organize & more, all localMerge, split, organize, compress, sign & more — 100% in your browser, no upload.Unit Converters — pressure, temperature & more, all localPressure (bar↔psi), temperature (°C↔°F) and more — each with formula, table & X-to-Y pages.Image Tools — compress, resize, crop & more, all localCompress, resize, crop, round-crop & remove EXIF — 100% in your browser, no upload.