
Axcrypt
AES Crypt
Cryptomator
Windows BitLocker
TrueCrypt
File Lock PEA
Folder Lock
Encrypto
KeptPDF
Smallpdf
iLovePDF
Sejda
Adobe Acrobat DC
CompilaPDF
FoxyUtils Online PDF Tools
OnDevicePDF
AxCrypt is an award-winning encryption software that provides strong, simple and reliable encryption solution. Since its inception in 2001, it has grown to be one of the worldโs most popular encryption software with over 20 million downloads worldwide. AxCrypt's mission is to provide encryption solutions to individuals and organizations in the simplest manner, so that we can ensure the convenient implementation and usage of our software for everyone.
It is available in English, French, German, Italian, Korean, Polish, Russian, Spanish, Swedish, Mandarin and more.
AxCrypt offers a Premium subscription (for individuals) and Business subscription (for companies) with a range of exclusive features like AES-256 encryption, Key sharing, Secured Folders, Cloud Storage Awareness, Password Management, File Wipe, Anonymous File Names, Password Generator, and more. See more about AxCrypt's subscription plans here: https://axcrypt.net/pricing
AxCrypt has recently released new content analyzing how different industries can implement AxCrypt Business, covering a range of industries from Technology to Education to Healthcare. You can read more here: https://axcrypt.net/industries
Axcrypt
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Axcrypt's answer
1. Truly Easy File Encryption
AxCrypt keeps encryption simpleโright-click a file, encrypt it, and youโre done. No complicated setup, no confusing options.
2. Automatic Cloud Protection
It works seamlessly with Google Drive, OneDrive, Dropbox, and other cloud folders. Files get encrypted before they sync, keeping your cloud data safe.
3. Built-In Password Manager
Unlike most encryption tools, AxCrypt includes a secure password manager, so you can protect documents and store passwords in the same app.
4. Strong AES-256 Security
AxCrypt uses industry-standard AES-256 encryption with modern key handlingโtrusted by professionals for protecting sensitive data.
5. Secure File Sharing
You can share encrypted files with others securely using their AxCrypt ID, without exposing passwords.
6. Multi-platform Support
Available on Windows, Mac, Android, and iOS, so your encrypted files stay accessible anywhere.
7. Proven and Trusted
AxCrypt has been around for years, is widely reviewed, and is known for its stability and reliabilityโmaking it trusted by individuals and companies.
8. Open and Transparent
AxCryptโs core design and encryption approach are transparent, unlike some alternatives that lack independent verification or a track record.
KeptPDF's answer:
KeptPDF runs entirely in your browser. Your file, and the text inside it, never leaves your device. Not to an AI, not even to us. You can open your browser's network tab and watch: the document bytes never go out.
Most online PDF tools upload your file to a server first, and some "AI redaction" services quietly send your document text to a third-party model. That is the exact risk people are trying to avoid when they redact something.
KeptPDF also does true redaction. The text is removed from the file, not covered with a black box you can copy out later. Every redaction produces a verification certificate you can share with the file.
Axcrypt's answer
Choose AxCrypt for unmatched simplicity with real AES-256 security.
Pick AxCrypt when you want encryption that just worksโright-click and protect.
Go with AxCrypt for automatic cloud-safe protection across all your devices.
Use AxCrypt to share encrypted files securely without exposing passwords.
Choose AxCrypt for built-in password management + strong file encryption in one app.
Trust AxCrypt when you need proven, reliable, long-standing encryptionโnot experimental tools.
Choose AxCrypt for excellent customer support that actually responds and solves your issue.
KeptPDF's answer:
Three reasons.
Privacy you can verify, not just a promise. Processing happens locally in the browser, so there is no upload step to trust. We do send anonymous usage counts for quota, and we say so plainly, but never your document.
Real redaction with proof. Removed text is permanently gone, and you get a certificate showing the file was checked for leftover extractable text. Automated detection cannot catch everything, so a final human review is still your job, and the tool says that too.
It works on a phone. Most PDF suites assume a desktop. KeptPDF was built and used on a phone first, so redacting a document while you are standing in a hallway actually works.
Axcrypt's answer
Personal users protecting documents like IDs, financial papers, medical files, and cloud backups.
Professionals & freelancers who share confidential files with clients and need secure workflows.
Small businesses & teams needing quick, dependable file-level encryption without enterprise complexity.
Non-technical users who want strong protection but prefer a clean, simple interface.
KeptPDF's answer:
Anyone who has to hand a document to someone else and needs the sensitive parts gone first.
In practice that is solo attorneys and small law firms, accountants and tax preparers, healthcare and records staff handling requests, HR teams, and individuals dealing with their own medical, legal, or financial paperwork.
The common thread is not an industry. It is a person who cannot upload a confidential file to a random website, and who does not have an enterprise IT budget to solve it.
KeptPDF's answer:
A family member got seriously ill. We spent most days at the hospital, and straight answers were hard to come by, so we leaned on AI tools to make sense of the records, notes, and lab results.
But you cannot paste a medical record into an AI chat. You have to strip the names, the ID numbers, the diagnoses first. And almost every tool we found either wanted to upload the whole file to a server, or "auto-redacted" by sending the document text to an online AI. That was the exact thing we were trying to avoid.
Most of this was happening on a phone, at a bedside. So I built the tool I needed: redaction that runs on the device, works on mobile, and never sends the file anywhere. That turned into KeptPDF, which is now a full PDF suite with over 20 tools, all local-first.
KeptPDF's answer:
The app is plain JavaScript with no front-end framework, which keeps it fast and keeps the code auditable.
PDF work happens in the browser using pdf.js for rendering and pdf-lib for writing. Text recognition uses Tesseract running as WebAssembly. Password and encryption handling uses a WebAssembly build of qpdf. It is a Progressive Web App, so it installs and works offline.
The thin server side is Node on Vercel, with Postgres for accounts, Stripe for billing, and Resend for email. None of those ever see a document.
KeptPDF's answer:
KeptPDF is early and independent, and we do not publish customer names. The product is privacy-first by design: we never see your documents, and we do not track who our users are or what they work on. Publishing a client list would sit badly next to that.
The user base today is mostly solo attorneys, small firms, accountants, and individuals handling their own records.
Based on our record, Axcrypt seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
With regard to encryption tools, I use AxCrypt, which is cross-platform, but isn't free in that form. It would though encrypt each file in-place, without need for a dedicated folder or vault and encrypted file will sync with OneDrive, via the standard sync client. It would also allow you to share encrypted files with others, without giving them your encryption password. Source: almost 5 years ago
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