PDF Keamanan

Tambah password protection to your PDF documents with AES-256 encryption, or remove an existing password you already know. Separate user and owner passwords let you control who can open the file versus who can print, copy, or edit it. Everything happens on your device — your files never leave your browser.

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Fitur

Industry-Standar AES-256 encryption for serious Dokumen protection

Separate user Kata sandi (to Buka) and owner Kata sandi (to restrict actions)

batasi mencetak, menyalin, mengedit, and adding comments independently

Hapus an existing password from a protected PDF when you know the current one

Real-Waktu Kata sandi strength indicator while you Buat a Baru Kata sandi

Live Pratinjau shows your PDF locked or unlocked before you Unduh it

Everything happens on your Perangkat — Berkas never reach a Server

Fully compatible with iOS, Android, and web browsers, Gratis to use

Cara kerjanya

Cara Kerja

Choose Anda PDF

Select the PDF you want to protect or unlock, or drag & drop it into the interface. Anda file stays on your device and is never uploaded anywhere.

Set Kata sandi and Restrictions

Pilih to Tambah a Baru Kata sandi or Hapus an existing one. When protecting, set a strong Kata sandi and decide which restrictions (printing, copying, editing) to Terapkan.

Encrypt or Buka kunci and Unduh

Anda PDF is encrypted with AES-256 or its existing password is removed. Unduh your secured or unlocked file the moment it's ready.

Kasus Penggunaan

Untuk Siapa?

Lawyers and accountants sharing confidential client Dokumen by Email

Departemen SDM yang melindungi laporan gaji dan catatan pribadi karyawan

Businesses securing kontrak and proposal before mengirim them to third parties

Anyone receiving a Kata sandi-protected PDF who needs to Hapus the lock to Edit or archive it

Students and researchers protecting theses or unpublished kerja before submission

FAQ

Pertanyaan Umum

How Aman is AES-256 encryption?

AES-256 is one of the strongest encryption standards in use Hari ini, trusted by governments and financial institutions worldwide. Breaking it through brute force is practically impossible with Saat ini technology.

Can I Ubah the Kata sandi of an already protected PDF?

Yes. Pertama Hapus the Saat ini Kata sandi using the Buka kunci Mode, then Lindungi the Berkas again with a Baru Kata sandi. You need to know the existing Kata sandi to do this.

What's the difference between the user Kata sandi and the owner Kata sandi?

The user Kata sandi is Wajib to Buka and Lihat the Dokumen at Semua. The owner Kata sandi controls Izin like printing, copying, and editing once the Dokumen is Buka. They can be the same or different depending on your needs.

What happens if I forget the Kata sandi I set?

Pofide cannot recover or bypass a forgotten Kata sandi — encryption is performed entirely in your Peramban and we never store your Berkas or passwords. Keep your Kata sandi somewhere safe before encrypting an important Dokumen.

Alat Terkait

Tanda tangan PDF PDF Kata sandi Recovery Berkas Izin Tambah Tanda air Stempel / Seal

Privasi Anda Dilindungi

Semua operasi PDF terjadi di perangkat Anda. Dokumen Anda tidak pernah diunggah ke server kami.

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