https://vaultstudiopro.com/blog Practical guides to redacting, encrypting, editing and converting documents privately, without uploading them anywhere. en Sun, 27 Sep 2026 00:00:00 GMT https://vaultstudiopro.com/blog/how-to-redact-a-pdf-properly https://vaultstudiopro.com/blog/how-to-redact-a-pdf-properly Sun, 27 Sep 2026 00:00:00 GMT support@vaultstudiopro.com (Vault Studio Pro Research Team) Why covering text in a PDF leaves it in the file, what real redaction does, a step-by-step walkthrough, and the checks to run before you send anything. https://vaultstudiopro.com/blog/check-if-a-pdf-redaction-worked https://vaultstudiopro.com/blog/check-if-a-pdf-redaction-worked Sun, 27 Sep 2026 00:00:00 GMT support@vaultstudiopro.com (Vault Studio Pro Research Team) Six checks anyone can run on a redacted PDF with free tools, what each one catches, and what they cannot prove. https://vaultstudiopro.com/blog/edit-docx-without-uploading https://vaultstudiopro.com/blog/edit-docx-without-uploading Sun, 27 Sep 2026 00:00:00 GMT support@vaultstudiopro.com (Vault Studio Pro Research Team) What happens to a document you open in an online editor, how in-browser editing differs, and an honest list of what survives a .docx round trip. https://vaultstudiopro.com/blog/open-pptx-without-powerpoint https://vaultstudiopro.com/blog/open-pptx-without-powerpoint Sun, 27 Sep 2026 00:00:00 GMT support@vaultstudiopro.com (Vault Studio Pro Research Team) Desktop suites, online services and an in-browser editor compared for opening a .pptx deck, with the fidelity limits of each. https://vaultstudiopro.com/blog/what-client-side-really-means https://vaultstudiopro.com/blog/what-client-side-really-means Sun, 27 Sep 2026 00:00:00 GMT support@vaultstudiopro.com (Vault Studio Pro Research Team) Three checks you can run on any web app that says it does not upload your files, and what each check can and cannot prove. https://vaultstudiopro.com/blog/encrypt-a-document-aes-256 https://vaultstudiopro.com/blog/encrypt-a-document-aes-256 Sun, 27 Sep 2026 00:00:00 GMT support@vaultstudiopro.com (Vault Studio Pro Research Team) What AES-256-GCM and PBKDF2 actually do, why the passphrase matters more than the cipher, and how to share an encrypted file without leaking the password. https://vaultstudiopro.com/blog/ocr-scanned-pdf-without-uploading https://vaultstudiopro.com/blog/ocr-scanned-pdf-without-uploading Sun, 27 Sep 2026 00:00:00 GMT support@vaultstudiopro.com (Vault Studio Pro Research Team) How text recognition works, how to run it on a scanned PDF inside your browser, and what makes the difference between clean and messy results.