Frequently asked questions

imisspdf is a free online PDF toolkit — 38 tools to merge, split, compress, convert, sign, edit, redact, and chat with your PDFs. All in your browser, no installation needed.

Yes. All 38 tools work for free, no signup. Free includes 5 tasks/day with 25 MB files. Pro lifts those limits and adds OCR + AI.

No. Upload, process, download. Accounts are only required for Pro features, file history, and API access.

Input: PDF, DOCX, XLSX, PPTX, JPG, PNG, HTML, TXT, RTF, ODT, scanned images. Output depends on the tool — typically PDF, but conversion tools produce DOCX, XLSX, PPTX, JPG, or PDF/A.

25 MB on Free. 5 GB on Pro and Business. Enterprise removes the cap entirely.

Yes. Fully responsive, and Pro users get native iOS & Android apps with offline mode and camera scanning.

The interface is available in 12 languages. The Translate-PDF tool supports 50+ output languages.

Yes — accessible from 200+ countries. Payments in 130+ currencies.

Files are encrypted in transit and at rest, processed on EU servers, and automatically deleted 1 hour after upload.

Yes. TLS 1.3 in transit. AES-256 at rest. We never store decrypted data.

No. Never. Your files are never used to train any AI model.

Primary processing in Frankfurt, Germany. Failover in Amsterdam. Enterprise customers can pin to specific regions.

Yes — fully compliant. A signed DPA is available for Business and Enterprise on request.

Account > Privacy > Delete my data. Processed within 72 hours.

Click "Get Pro", choose a plan, check out with email/password, Google, or Microsoft.

Yes — from your account page, no questions, no retention dark patterns.

14-day money-back on annual plans. Monthly plans aren't refundable but cancel-anytime is supported.

Visa, Mastercard, AmEx, Discover, Apple Pay, Google Pay, PayPal. Bank transfer for Business / Enterprise annual.

Account > Subscription. Upgrades are immediate and prorated. Downgrades apply at end of cycle.

Account > Settings > Delete account. All data erased within 72 hours.

Common causes: over size limit, file encrypted (try Unlock PDF first), or connection dropped. Try a smaller test or refresh.

Most tasks finish in under 10 seconds. Large files, OCR, and AI tools can take up to a minute.

PDF doesn't always round-trip cleanly with Word/Excel, especially with complex layouts and non-embedded fonts.

Yes — Pro users get our desktop apps which run 18 of the tools entirely offline.

Email [email protected] or file an issue on our public roadmap.

Sign up, go to Account > API, click "Generate key". Up to 10 active keys per account.

Free: 10 req/min. Pro: 60. Business: 600. Enterprise: custom.

Per file processed. A 100-file batch = 100 calls. AI tools cost 5x.

Yes. Pro and Business plans permit reselling derived outputs. White-label / OEM is Enterprise.