Help & Reference
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Reference pages are the single source of truth for rules that other pages cite but never restate: how long files are kept, which tools are free, what the limits are, which formats work, and which browsers are supported. If a number matters, it lives here once — everywhere else links here.
Help & Reference
The authoritative pages for file limits, formats, browser support, retention, and billing scope.
- Fehlerbehebung — Häufige Ursachen und Lösungen für Upload-, Button- und Ausgabeprobleme
- Dateigrößen- und Kontingentlimits — Lokale und Cloud-Limits für Dateigrößen, Stapelverarbeitungsanzahlen und Aufgabenkontingente
- Unterstützte Formate — Eingabe- und Ausgabeformate über Werkzeugkategorien hinweg
- Browser-Kompatibilität — Empfohlene Browser und mobile Hinweise
- Datenschutz & Aufbewahrungsmodell — Lokale Verarbeitung zuerst, kurze Cloud-Aufbewahrung, Löschung und DPA
- How Long Are My Files Kept? Retention and Deletion, Plan by Plan — How long PDFLean keeps cloud files, when they are deleted, and what happens to task records — one rule for every account and plan
- Free vs Paid on PDFLean: Exactly Which Tools Are Free and Which Use Credits — Which PDFLean tools run free in your browser and which run in the cloud on plan credits — the single source of truth for the free and paid boundary
Note: file-limits, supported-formats, browser-compatibility, troubleshooting, and privacy-model keep their original
/docs/guides/URLs (they are already indexed) and are listed in this section.
Related reading
Section titled “Related reading”- How Long Are My Files Kept? — the one retention rule for every account
- Free vs Paid on PDFLean — the free/credit boundary for every tool family
- Troubleshooting — when something goes wrong, start here