Sitemap
The sitemap lists every page of biffer-software.com by section, with a short description of each: the key pages about Biffer, the use cases (redact a PDF, redact or anonymize a document, prepare a document for AI), the profession pages, the blog articles, then purchase, support and legal information. Search engines use the XML version: sitemap.xml.
Key pages
- Home: Biffer, document anonymization software for professionals
Document anonymization software: redact confidential documents (PDF, Word, images) before using AI like ChatGPT or Claude. 100% offline. - Biffer features: an offline document anonymizer
Biffer features: detection, masking, mapping table, unredaction, batch processing, formats, document types, fields and professions. - Biffer pricing: protect your documents, no subscription
Biffer pricing: free for 5 files per month. Unlimited: €10 excl. VAT per computer, Mac or PC, paid once, lifetime license for the version purchased. - Download Biffer and install it in a few minutes
Download Biffer, offline software that anonymizes your documents, for Mac and Windows. Free: 5 files per month, every feature included. - Frequently asked questions about Biffer
Frequently asked questions about Biffer: offline use, formats, accuracy, restoration, black highlighting, 18 professions, free plan, €10 license, GDPR. - Anonymization glossary: the terms worth knowing before handing a document to an AI
Anonymization glossary: alias, pseudonymization, GDPR, mapping table, NIR, OCR. The terms worth knowing before handing a document to an AI. - AI regulations and confidential data: GDPR, professional secrecy, AI Act
AI regulations and confidential data: GDPR (Articles 4 to 32, Recital 26), professional secrecy, the EU AI Act, CNIL guidance and official texts. - About Biffer: who we are and what we want
About Biffer: why we built this offline anonymization software, our principles, what stays in your hands, and our roadmap. - Contact Biffer: we reply within two business days
Contact Biffer at contact@biffer.fr or through the report form. We reply within two business days for support, pre-sales questions and press.
Use cases
- Redact a PDF before you hand it to an AI
Redact a PDF before you hand it to an AI: we rewrite the text in place, offline, with the layout intact. Method, OCR for scans and review. - Redact a document: method, pitfalls and an offline tool
Redact a document or black out text in a PDF: mask, pseudonymization or anonymization? What a complete redaction covers, and our offline method. - Anonymize a document before you hand it to an AI
Anonymize a document or PDF on your computer: anonymization and pseudonymization under the GDPR, the mapping table, consistent aliases. - Prepare a document for AI without leaving your data in it
Prepare a document for AI without exposing your data: what to remove, what you can keep, how to restore it afterwards. A method, with Biffer. - Personal data and AI: what to remove before using an assistant
Personal data and AI: what the GDPR, the CNIL and the EDPB say, which information to remove before using an AI assistant, and how to do it. - Offline anonymization software that works on your computer
Offline anonymization software: local processing, files that stay on your computer, no GDPR processor to contract with. Why we made this choice. - Anonymize data before ChatGPT: what we do before every upload
Anonymize data before ChatGPT in a contract, a letter or an Excel spreadsheet: the offline Biffer workflow, then restoring the original values. - Anonymize data before Claude: preparing a document for Anthropic's assistant
Anonymize data before Claude (Anthropic) in a contract, a case file or a complaint: offline preparation with Biffer, then restoring the real values. - Anonymize data before Gemini: preparing a document for Google's assistant
Anonymize data before Gemini (Google) in job applications, a letter or a CSV export: offline preparation with Biffer, then restoring the values.
Professions
- Anonymize accounting documents for AI
Anonymize accounting documents for AI offline: balance sheets, tax returns, FEC files, payslips and invoices, with clients replaced by aliases. - Anonymize customer data for AI in administrative work
Anonymize customer data for AI offline: tracking spreadsheets, customer files, invoices, tickets and payslips, with every number replaced by an alias. - Anonymize bailiff documents for AI
Anonymize bailiff documents for AI: service deeds, official reports, enforceable titles. Debtors, docket and debt numbers become aliases, offline. - Anonymize bank statements for AI
Anonymize bank statements for AI, along with loan agreements and SEPA mandates. Biffer replaces accounts, cards and clients with aliases, offline. - Anonymize construction documents for AI
Anonymize construction documents for AI: specifications, site reports, permits, quotes. Clients, contracts and lots are replaced by aliases, offline. - Anonymize medical records for AI
Anonymize medical records for AI offline: patient files, discharge reports and prescriptions, with identities, patient IDs and RPPS replaced by aliases. - Anonymize HR documents for AI
Anonymize HR documents for AI offline: employment contracts, payslips, annual reviews and resumes, with employees and staff numbers replaced by aliases. - Anonymize insurance claims for AI
Anonymize insurance claims for AI offline: claim files, adjuster reports, policies, quotes and premium notices, with policyholders replaced by aliases. - Anonymize log files for AI
Anonymize log files for AI, along with tickets and exports. IP addresses, API keys, user IDs and hostnames are replaced by aliases, offline. - Anonymize legal documents for AI
Anonymize legal documents for AI on your own computer: pleadings, exhibits, letters and judgments, with names, docket and bar numbers replaced by aliases. - Anonymize contracts for AI as in-house counsel
Anonymize contracts for AI, along with disputes, trademarks and patents. Parties, docket numbers and references are replaced by aliases, offline. - Anonymize public sector documents for AI
Anonymize public sector documents for AI: council decisions, resident files, public contracts. Staff and residents are replaced by aliases, offline. - Anonymize notary documents for AI
Anonymize notary documents for AI offline: deeds, mortgage searches, loans and meeting minutes, with parties and land references replaced by aliases. - Anonymize real estate documents for AI
Anonymize real estate documents for AI offline: leases, inventories, mandates and meeting minutes, with tenants, landlords and lots replaced by aliases. - Anonymize CRM data for AI
Anonymize CRM data for AI, along with quotes, orders and invoices. Customers, contacts and numbers are replaced by aliases, offline. - Anonymize social work case notes for AI
Anonymize social work case notes for AI: social reports, assessments, aid applications. Service users and their numbers are replaced by aliases, offline. - Anonymize student data for AI
Anonymize student data for AI: class lists, report cards, essays, Parcoursup files. Pupils and their INE numbers are replaced by aliases, offline. - Anonymize training records for AI
Anonymize training records for AI offline: agreements, attendance sheets, evaluations and CPF files, with trainees and numbers replaced by aliases. - Anonymization by profession: the identifiers of 18 professions
Anonymization by profession with Biffer: court case, RPPS, CRPCEN, student INE or benefit numbers, the identifiers of 18 professions, redacted offline.
Blog
- Anonymization vs pseudonymization: what is the difference?
Anonymization vs pseudonymization: two different statuses under the GDPR. Article 4, recital 26, the EDPB position and a simple rule for your files. - How to anonymize a Word document: comments, author and tracked changes
How to anonymize a Word document: author, comments, tracked changes and the text itself. Word's own settings, their limits, and processing with Biffer. - ChatGPT privacy: what happens to your data, and what not to share
ChatGPT privacy: what OpenAI keeps, the settings that limit how your conversations are used, and the information you should never share with it. - How to mark a confidential document
How to mark a confidential document: which labels to use, which confidentiality levels to adopt, how to mark a Word file and protect its content. - Document anonymization tools: which one should you choose?
Document anonymization tools compared: manual work, PDF redaction, online services, APIs and offline software, on confidentiality, cost and the GDPR. - How to anonymize a document
How to anonymize a document in Word, PDF or Excel: tell anonymization from pseudonymization, apply a five-step method and test the result before sharing. - Personal data definition: examples and what to remove from a document
Personal data definition under GDPR: article 4, the three categories, concrete examples and a checklist of what to remove from a document before sharing. - How to redact a confidential business document
How to redact a confidential business document: spot the data to remove, choose between black out, mask or pseudonymize, check the file before sending. - How to remove text from a PDF: what really disappears when you erase, cover or redact
How to remove text from a PDF: eraser, black box, editor or redaction tool. What stays hidden in the file, famous failures, and the method that works. - What is anonymization? Definition, methods and examples
What is anonymization? Irreversibly preventing the identification of a person. The GDPR definition, recognized methods and real examples, good and bad. - What is redaction? Meaning, origin and examples
What is redaction? Blacking out or removing passages of a document before release. Meaning of the word, its origin and real examples, from censors to PDFs. - What does striking out text mean (and why Biffer is named after it)
Striking out text means crossing out, blacking out or replacing information before sharing a document. Meaning, the French word biffage, stakes and method. - The Biffer document anonymization blog: redact and protect your files
The Biffer document anonymization blog: redaction, pseudonymization and anonymization of business documents, practical methods and GDPR landmarks.
Purchase, support and legal information
- Get Biffer
Get Biffer for Mac or PC: free for 5 files per month, or unlimited for €10 excl. VAT (€12 incl. VAT) per computer, for life for the current version. - Legal notice for biffer.fr
Legal notice for biffer.fr: publisher OPCADIA, publication director, host Cloudflare, service providers Stripe and Brevo, intellectual property. - Privacy policy: what Biffer collects, and above all what it does not
Privacy policy: what Biffer and biffer.fr collect (no documents; email, machine ID, license check), our service providers and your GDPR rights. - Report a bug or suggest an idea
A problem with Biffer, a missed detection, an idea for improvement? Tell us here: every report is read and followed up, without attaching the document. - Biffer terms of use and sale
Biffer terms of use and sale: one license per computer, €10 excl. VAT (€12 incl. VAT), prohibited uses, license checks, right of withdrawal.