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Every page on vaultstudiopro.com, grouped by section.

Tools

Document editor (.docx)Open, edit and save .docx documents in your browser. Comments, track changes, tables and .docx export, with your file processed on your device, never uploaded.
Spreadsheet editor (.xlsx)Open .xlsx, .xls and .csv files, use 70+ formula functions, charts and pivot tables, and save .xlsx. Everything runs in your browser; your data stays on your device.
Presentation editor (.pptx)Import .pptx decks, edit slides, present full screen with notes, and export .pptx. Runs in your browser; see exactly what the importer simplifies.
PDF editorAnnotate, sign, fill forms, OCR, merge, split and compress PDFs in your browser. Files are processed on your device, not uploaded to a server.
Image StudioCrop, rotate, adjust, black out details and convert images to WebP, JPEG or PNG in your browser. Your photos and screenshots stay on your device.
Redact a PDFFree PDF redaction that burns black boxes into the page so hidden text is removed, not just covered. Runs in your browser; the unredacted file is never uploaded.
Encrypt a file (File Safe)Lock any file in a password-protected .vault using AES-256-GCM and PBKDF2, entirely in your browser. Free, no upload, no account.

All use casesHow lawyers, healthcare admin staff, accountants, journalists and schools use an in-browser office suite, with step-by-step workflows and honest limits.
For legal workFor lawyers and paralegals: PDF redaction that removes the text, .docx editing without uploads, OCR of scans and encrypted handoff. Plus what it does not do.
For healthcare adminFor healthcare admin and billing staff: redact PDFs and fill forms in the browser without uploads. Not HIPAA certified and no BAA; read the limits first.
For accountants and bookkeepersFor accountants and tax preparers: edit .xlsx files, pull tables from PDFs, redact account numbers and send encrypted files, without uploading client data.
For journalistsFor journalists: open, redact, OCR and encrypt documents in the browser, offline if you like, with no uploads. Includes the PDF metadata and dictation caveats.
For students and teachersFree document, spreadsheet, slide and PDF editors that run in the browser on Chromebooks and school PCs. No installs, no accounts, and student work stays local.

All comparisonsHonest, sourced comparisons of Vault Studio Pro with Adobe Acrobat, Microsoft 365, Google Docs, LibreOffice, Proton Docs, CryptPad and ONLYOFFICE.
vs Adobe AcrobatAcrobat vs Vault Studio Pro for PDF editing, redaction, OCR and signatures: where files are processed, accounts, prices, and when Acrobat is the better choice.
vs Microsoft 365Microsoft 365 vs Vault Studio Pro for .docx, .xlsx and .pptx files: accounts, cloud storage, offline use, Excel depth, prices, and when to pick Microsoft.
vs Google DocsGoogle Docs vs Vault Studio Pro: cloud collaboration or on-device editing. Accounts, offline use, Office files, redaction, prices and who should pick which.
vs LibreOfficeLibreOffice vs Vault Studio Pro: a free desktop suite or a no-install browser suite. Formats, redaction, macros, signatures, offline use, and when to pick each.
vs Proton, CryptPad, ONLYOFFICEProton Docs, CryptPad, ONLYOFFICE and Vault Studio Pro compared: encrypted cloud, desktop or on-device. Accounts, offline use, formats, redaction, prices.

HomeEdit documents, spreadsheets, presentations, PDFs and images in your browser. Files are processed on your device, not uploaded. No account needed.
PricingFree document, spreadsheet, slide, PDF and image editors. Pro: $9 week pass, $15/month, $99/year, or $299 lifetime. Keep the Pro features you paid for.
SecurityHow Vault Studio Pro processes files in your browser, how its Content-Security-Policy blocks other sites, which two license calls reach our server, and the limits.

BlogPractical guides from the Vault Studio Pro Research Team on redacting PDFs, encrypting files, OCR and editing .docx and .pptx files without uploading them.
How to redact a PDFWhy black boxes, highlighting and cropping leave text in a PDF, what true redaction removes, and how to redact and check a PDF yourself, step by step.
FAQAnswers about Vault Studio Pro: what stays on your device, file compatibility, the free trial, licenses and refunds, offline use, and fixing common problems.
SitemapA list of every page on the Vault Studio Pro website, grouped by section (tools, product, resources, company and legal), with a short summary of each page.

ContactEmail support@vaultstudiopro.com for help, lost license keys, refunds, privacy requests, security reports and press. What to include so we can help quickly.
AboutWhy Vault Studio Pro edits your documents in the browser instead of on a server, the principles it runs on, how it is built and funded, and how to reach us.
ChangelogEvery Vault Studio Pro release, and the date each Pro feature shipped, which sets what Pro Annual and Founders licenses keep forever.
AccessibilityHow Vault Studio Pro works with keyboards and screen readers, what we have tested, the known limitations, and how to report an accessibility problem.

Privacy policyYour documents stay in your browser and never reach us. No accounts, ads or analytics. What Stripe, Cloudflare and our license server see, and your rights.
Terms of serviceVault Studio Pro terms: license scope, the free trial, automatic renewal and how to cancel, keep-forever terms, revocation, acceptable use and liability.
Refund policyFull refunds within 14 days on Pro Monthly, Pro Annual, Founders and Lifetime, 24 hours on the Week Pass. How to ask and how refunds are paid.