Guides
Learn how to protect your documents, remove sensitive data, and prepare files for AI — all without uploading to any server.
How to Remove Personal Information from a PDF
Remove SSNs, emails, phone numbers, and names from PDFs before sharing. Step-by-step guide using PDFNimble's free browser-based redaction tool.
How to Redact a PDF Before Uploading to ChatGPT or Claude
Remove sensitive information from PDFs before sharing with AI tools. Protect client data, comply with privacy policies. Free browser-based redaction.
Split & Merge PDFs Without Uploading to Any Server
Free PDF split and merge tools that work 100% in your browser. No file uploads, no servers, no sign-up. Works offline.
How to Prepare PDFs for RAG Pipelines
Transform PDFs into vector-DB-ready chunks with structure detection, PII scrubbing, and JSONL export. No upload, no API costs. Free.