Kostenlose Online-Werkzeuge
Praktische Werkzeuge für selbstständiges Arbeiten. Ohne Registrierung. Geschäft, Rechnungen, Verkauf, PDF, Bilder, Text, Entwicklung, E-Mail
Projektangebot
Price your time and direct costs.
Projektgewinn
Measure profit after labor and fees.
Freiberuflicher Stundensatz
Plan a rate from annual income and billable time.
Gewinnschwellenrechner
Find the sales volume needed to cover fixed costs.
Rabattrechner
Calculate sale prices and savings.
E-Commerce-Gewinn
Include shipping, platform fees, advertising and refunds.
Plattformgebühren
Estimate fees using your own platform rates.
Werbe-ROAS
Compare attributed revenue with advertising spend.
Versandkostenverteilung
Allocate shipment cost by total item weight.
Zahlungsfrist
Calculate a due date from invoice terms.
PDF-Angebot erstellen
Create a document and print or save it as PDF.
Rechnung erstellen
Create a document and print or save it as PDF.
Quittung erstellen
Create a document and print or save it as PDF.
Wörter und Zeichen zählen
Count text length and reading time.
Groß- und Kleinschreibung
Convert text to upper, lower, title or sentence case.
Doppelte Zeilen entfernen
Keep the first occurrence of each exact line.
Textzeilen vergleichen
Compare exact lines in two texts; order changes appear as differences.
JSON formatieren
Validate and pretty-print JSON.
Zeitstempel umrechnen
Convert Unix seconds or milliseconds to UTC and local time.
URL kodieren und dekodieren
Encode or decode a URL component.
Reguläre Ausdrücke testen
Test JavaScript patterns in an isolated worker.
E-Mail-Betreff prüfen
Check subject length without claiming deliverability.
E-Mail-Link erstellen
Build and preview a mailto link with recipients, subject and body.
E-Mail-Signatur erstellen
Preview a signature and copy it into your mail settings.
Beispiel-E-Mail-Adressen generieren
Generate sample email addresses from random names or a TXT username list.
E-Mails extrahieren und gruppieren
Extract email addresses from text or HTML and group by size or domain.
Code formatieren
Format JavaScript, CSS, HTML, XML and SQL in your browser.
Bild und Base64
Convert image files to Base64 and decode Base64 image data.
SVG in Bild
Convert SVG files or source to PNG, JPG and WebP.
Markdown-Konverter
Edit and preview Markdown, or convert HTML to Markdown.
Bilder komprimieren
Process JPEG, PNG and WebP images locally, including batches.
Bildgröße ändern
Process JPEG, PNG and WebP images locally, including batches.
Bilder konvertieren
Process JPEG, PNG and WebP images locally, including batches.
Bildwasserzeichen
Process JPEG, PNG and WebP images locally, including batches.
Bilder in PDF
Files are processed in your browser. Encrypted PDFs are not supported.
PDF zusammenführen
Files are processed in your browser. Encrypted PDFs are not supported.
PDF-Seiten extrahieren
Files are processed in your browser. Encrypted PDFs are not supported.
PDF-Seiten neu ordnen
Files are processed in your browser. Encrypted PDFs are not supported.
E-Mail-Adressen prüfen
Check syntax, duplicates and common domain spelling mistakes in email lists.
Header analysieren
Inspect routing, authentication results and visible privacy details from raw email headers.
Unzustellbarkeit analysieren
Explain common SMTP and enhanced delivery status codes in bounce messages.
Inhalte prüfen
Review subject length, links, image descriptions and common promotional wording.
DNS und Authentifizierung
Query MX, SPF, DKIM and DMARC; draft SPF and DMARC records.
Datenschutz und Links
Mask email addresses and inspect URL structure without opening links.
Listen bearbeiten
Merge lists, calculate intersections and differences, and export domain statistics.
E-Mails in Dateien suchen
Extract unique addresses from pasted content or local TXT, CSV, HTML and EML files.
E-Mail-Vorlagen
Create an HTML email and a plain-text version from editable message fields.
HTML-Editor und Inline-CSS
Preview HTML email, inline static CSS at a selected width and inspect compatibility risks.