Is PDF to PDF/A free?

Yes. PDF to PDF/A is completely free with no account required. All processing happens in your browser.

Are my files uploaded to a server?

No. Your files are processed locally on your device. We do not receive, store, or transmit your documents.

Which browsers are supported?

Use a current version of Chrome, Firefox, Safari, or Edge. Some advanced tools work best on desktop browsers.

Is there a file size limit?

Limits depend on your device memory and browser. Most everyday PDFs process without issues.

Can I use this tool offline?

After the page loads, many tools continue to work offline thanks to client-side processing.

Is my PDF safe when using this tool?

Yes. Your PDF is processed entirely in your browser using WebAssembly. The file never leaves your device and is never uploaded to any server.

Does this tool work without internet?

Yes. Once the page loads, you can use this tool completely offline. No internet connection required for processing.

Nobody. Your file stays on your device. We have no servers that receive your files, making it impossible for anyone to access your documents.

Is this tool really free?

Yes, completely free with no file size limits, no watermarks, and no account required.

How does browser-based PDF processing work?

We use WebAssembly (WASM) technology to run PDF processing directly in your browser — the same technology used by professional desktop software, now available in your browser without any uploads.

Convert from PDF

PDF to PDF/A

Convert PDF to PDF/A for long-term archiving.

No Upload
100% Local
Always Free
No Server
Works Offline

Your files

Add the documents you want to process

Drag & drop your files

PDF files only · stays on your device

PDF to PDF/A converts your PDF file into a PDF/A document right inside the browser. It preserves your layout, text, and images so the converted file looks the way you expect.

The conversion is powered by the same open-source engines used in professional desktop software (such as Ghostscript, PyMuPDF, and LibreOffice) compiled to WebAssembly. That means you get high-fidelity PDF/A output without sending your PDF file to a remote server. No file ever leaves your device. The tool works entirely client-side, which makes it safe for confidential, financial, and personal documents.

It is completely free — no account, no watermarks, and no file-size limits — and works on Chrome, Firefox, Safari, and Edge across desktop and mobile.

How it works

1
Upload your file: Select or drag and drop the file you want to process with PDF to PDF/A. Your document stays on your device — nothing is uploaded to a server.
2
Configure options: Adjust settings for PDF to PDF/A if needed. All processing runs locally in your browser using WebAssembly for fast, private results.
3
Download the result: Click download to save your processed file instantly. PDF to PDF/A completes in seconds with no account required.

Benefits

100% client-side processing — your files never leave your device
Free to use with no sign-up or usage limits
Works in modern browsers on desktop and mobile
Fast WebAssembly-powered processing
No watermarks on output files

Use cases

Use PDF to PDF/A for everyday document workflows at home, school, or work
Process sensitive contracts, invoices, and personal documents privately
Handle PDF tasks offline after the page loads
Batch quick edits without installing desktop software

Frequently asked questions

How it works

Upload your file: Select or drag and drop the file you want to process with PDF to PDF/A. Your document stays on your device — nothing is uploaded to a server.

Configure options: Adjust settings for PDF to PDF/A if needed. All processing runs locally in your browser using WebAssembly for fast, private results.

Download the result: Click download to save your processed file instantly. PDF to PDF/A completes in seconds with no account required.

PDF to PDF/A

Your files

Options

How it works

Benefits

Use cases

Frequently asked questions

PDF to PDF/A

Your files

Options

How it works

Benefits

Use cases

Frequently asked questions