Free online batch conversion of regular PDFs to PDF/A archival standards. All processing runs locally in your browser — no documents are uploaded. Supports PDF/A-1, PDF/A-2, and PDF/A-3 international archival specifications.
Click or drag a PDF file here
This PDF to PDF/A tool is built on the OpenDataLoader open-source local PDF parsing engine. All file processing is performed offline in your browser.
1. 1. Local PDF Complete Parsing: Reads all page layers, text, images, fonts, multimedia, scripts, and attachment data from the uploaded PDF into browser local memory.
2. 2. PDF/A Standards Validation & Cleaning: Performs standardized cleaning based on the selected archiving standard (PDF/A-1 / PDF/A-2 / PDF/A-3):
- Removes dynamic JavaScript, audio/video multimedia, broken hyperlinks, and temporary layers.
- Fully embeds all fonts inside the PDF to prevent missing characters.
- Standardizes image color profiles for long-term archival color preservation.
- Controls embedded attachments per standard: PDF/A-1 prohibits, PDF/A-2 limited support, PDF/A-3 full support.
3. 3. Archive Structure Reconstruction: Rewrites the underlying PDF data stream per ISO PDF/A standards, adding archive identifiers, read-only permission locks, and long-term compatible page trees and index structures.
4. 4. Archive PDF Local Export: After standardization, packages the PDF/A archive file locally in the browser. One-click download without modifying the original PDF.