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OpenPRF

openprf.app

  • Free
  • Web
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What it is

In a browser, OpenPRF works on decrypted PlayStation 4 and PlayStation 5 save files. It supports PRF command changes, several file previews, save metadata, and downloads of individual files or whole folders as ZIPs. This free, open-source project can run offline and does not call for installation or an account. Decryption of the outer save container remains separate.

Good, and not so good

  • Free and open source
  • Runs in a modern browser without installation or an account
  • Edits PRF commands, progression, and character stats
  • Works offline with local processing and ZIP export
  • Previews images and reads save metadata
  • Outer save-container encryption must be handled separately
  • Many games reject editable text over roughly 1000 bytes
  • No automatic backups
  • No warranty for every game or firmware version
  • Chrome or Edge is recommended for folder loading

Who it suits

PS4 and PS5 players editing compatible PRF saves Users who want local, offline browser processing Players comfortable managing outer save encryption

Technically minded PS4 and PS5 users with compatible PRF saves get a focused browser utility in OpenPRF. It combines inspection, command changes, and ZIP export at no cost, with processing that can remain offline. The workflow is not end to end: outer-container encryption remains your job, and many games impose a roughly 1000-byte editable-text limit. There is no automatic backup or warranty for every game and firmware version. Choose it when local processing and no-install access matter more than guided save handling.

Plans

  • FreeNo install step · no build step · no account requiredFree

As github.com lists them, read 9 Oct 2026.

Questions

What platforms does OpenPRF support?
Its supported platforms are PlayStation 4 and PlayStation 5 save files.
Which games can OpenPRF edit?
Any PS4 or PS5 game with compatible PRF save files can work with it.
Does OpenPRF need an installation or account?
No. Open it in a modern browser; no install step, build step, or account is required.
Does OpenPRF work offline?
Yes. Editing remains available offline, with Google Fonts optional and bundled CryptoJS and JSZip providing local PRF and ZIP functions.
Can it decrypt a complete PS4 or PS5 save?
No. OpenPRF works on the inner PRF layer; decrypt and later re-encrypt the outer save container separately through garlicsaves.com.
What happens if a PRF text region is too large?
Most games reject PRF files whose editable text region exceeds roughly 1000 bytes. OpenPRF warns before saving when you pass that point.
Can OpenPRF make backups?
No automatic backup feature is listed. You can download an individual file or export the loaded save folder as a ZIP.
What files can it inspect?
PRF files can be edited, SFO files are parsed for metadata, and image and text files support previews or editing. Other files offer Hex and Info tabs.