PDF900

PDF→PDF/A

아카이브용 PDF/A 형식으로 변환.

서버 처리 — 1시간 이내 자동 삭제
서버 처리 — 1시간 이내 자동 삭제

파일을 여기에 놓거나 클릭하여 찾아보기

배치당 최대 50 MB

서버 파일은 1시간 이내 자동 삭제됩니다. 제한: IP당 하루 5개 작업.

Free online PDF to PDF/A — fast, secure, and quality-focused. PDF900 makes document work simple.

  • 100% free, no signup
  • Privacy-first design
  • Works in your browser

Everything you need from PDF to PDF/A

PDF to PDF/A reduces file size and fixes common PDF issues — ideal for email attachments, uploads, and storage.

Large PDFs slow down sharing and hit attachment limits. PDF to PDF/A shrinks files while keeping content readable, so you can send documents without frustration.

PDF900 prioritizes security: server-side tools delete uploads automatically within one hour.

Why use this tool

Effective compression

PDF to PDF/A removes redundant data and optimizes images to cut file size quickly.

Readable output

We balance size reduction with legible text and clear visuals.

Secure processing

Files are transferred over HTTPS and deleted after processing.

How to use PDF to PDF/A

  1. 1

    Upload your PDF to PDF to PDF/A.

  2. 2

    Choose compression or repair options if available.

  3. 3

    Start processing — usually done in seconds.

  4. 4

    Download the optimized file and share it right away.

Everything included

  • Email-ready files

    Smaller PDFs fit attachment limits more easily.

  • Free to use

    PDF to PDF/A is free on PDF900 — no trial wall.

  • Auto-deletion

    Server uploads are removed within one hour.

  • Cross-platform

    Works in Chrome, Safari, Firefox, and Edge.

자주 묻는 질문

How does PDF to PDF/A work?
We analyze the PDF, optimize images and streams, and return a smaller file.
Will quality drop?
Compression aims to preserve readable text and acceptable image quality.
Is it safe?
Yes — HTTPS encryption and automatic file deletion protect your documents.

관련 도구