Alternatives
PiBye compared with the tools people switch from
Every comparison says who the other product suits better. Facts about other products link to their own pages.
Occlira and PiBye: the closest comparison on the market
Occlira is the product most like PiBye: local processing on Windows and Apple Silicon, a review step, and the same round trip of removing personal values and restoring them in the AI's reply. It costs 149 euros once and covers more file formats and languages. PiBye costs less, runs only on macOS, and is built around Canadian and US legal and immigration paperwork, including completed PDF forms and a published test record.
A Caviard alternative for documents, not just chat text
Caviard is a Chrome extension that masks personal data as you type or paste into ChatGPT and DeepSeek, on your own device, and unmasks it in the responses. If your sensitive material lives in PDFs, Word files or scanned documents rather than chat text, PiBye is the closer fit: a Mac app that prepares whole documents locally, with human review, before any AI sees them.
A Private AI (Limina) alternative for individual professionals
Private AI rebranded as Limina in 2026 and sells a de-identification API and platform for enterprises, deployable in their cloud, private network or on premises. If you are a solo professional or small practice who wants to remove client details from documents before using ChatGPT or Claude, without an integration project, a desktop tool such as PiBye fits that job better.
Adobe Acrobat redaction or PiBye: preparing a document for AI
Adobe Acrobat Pro’s Redact tool permanently removes text and is the right choice for documents you will file or publish. For getting AI help on a client document, permanent black boxes work against you: the AI cannot tell redacted people apart, and you cannot restore the names in its draft. PiBye replaces details with consistent stand-ins and restores them locally.
A PDF Expert alternative for flattening XFA and government forms
PDF Expert is an excellent Mac PDF editor with a “Save as flatten” option, and for ordinary fillable forms it does the job. Readdle’s help centre says dynamic XFA forms are not supported, so forms that show “Please wait…” in Preview will not work there either. PiBye’s Lock PDF lays out those forms and flattens batches of forms locally.
Flatten PDF forms without uploading them to an online converter
Online tools such as Smallpdf, Sejda and PDF24’s web tool flatten PDF forms quickly, but they upload your file to their servers to do it. For forms containing immigration, tax, medical or client details, flatten on your own computer instead: Preview’s print to PDF for one ordinary form, or a local app for batches and XFA forms.
RedactDesk or PiBye: permanent redaction or a round trip?
RedactDesk is a free, open-source Mac app that permanently redacts PDFs on your computer before you give them to ChatGPT, Claude or Gemini. PiBye does a round trip instead: it swaps identifiers for consistent stand-ins in PDFs, Word files and scans, you review each one, and the real details go back into the AI's returned document on your Mac. Choose RedactDesk for a free one-way cleanup; choose PiBye when the work has to come back to the client.