DocsSeva
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OnDevicePDF
KeptPDF is a PDF toolkit that runs entirely in your browser. Nothing uploads: every tool runs on your own device, so the document never touches a server.
What it does:
Who it is for: law firms, accounting practices, clinics, and anyone who shares documents they cannot afford to leak.
The core tools are free with no sign-up. Works offline as an installable app.
KeptPDFDocsSeva's answer
DocsSeva was created after noticing how frustrating many online document tools had become. Many platforms require subscriptions, account creation, or overwhelm users with advertisements before they can perform simple tasks.
We wanted to build a better experience—one platform where anyone could edit, convert, compress, merge, and organize documents in seconds without unnecessary complexity.
Since launch, our focus has remained the same: build reliable tools that save people time while respecting their privacy.
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.
DocsSeva's answer
DocsSeva is designed to make document management fast, secure, and accessible for everyone. Unlike many online PDF tools, we focus on a clean user experience without requiring sign-ups or complicated workflows.
What makes DocsSeva different:
🚀 Fast browser-based processing 🔒 Privacy-first approach with secure file handling 🆓 Free to use with no mandatory account 📄 50+ PDF and image tools in one platform 💻 Works on any device and modern browser ⚡ Simple, intuitive interface with minimal clicks 🌍 Accessible worldwide without software installation 🔄 Continuously expanding with new productivity features
Our goal is to become the all-in-one workspace for document management.
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.
DocsSeva's answer
Users choose DocsSeva because it offers a fast, secure, and hassle-free experience. Instead of navigating multiple websites for different document tasks, they can access everything in one place.
Key advantages include:
No sign-up required Fast processing Privacy-focused file handling Modern and user-friendly interface Multiple PDF and image tools in one platform Cross-platform compatibility Free access to essential features
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.
DocsSeva's answer
DocsSeva is built for anyone who regularly works with digital documents.
Our primary audience includes:
Students Professionals Teachers Freelancers Small businesses HR teams Legal professionals Government employees Designers Anyone managing PDFs or images online
Whether someone needs to compress a PDF before emailing it or convert images into documents, DocsSeva helps them complete the task quickly.
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.
DocsSeva's answer
DocsSeva is built using modern web technologies focused on performance and scalability.
Core technologies include:
Next.js React TypeScript Node.js Tailwind CSS PDF processing libraries Image processing libraries Cloud infrastructure REST APIs Modern browser technologies
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.
DocsSeva's answer
Currently, DocsSeva serves individual users, students, freelancers, educators, startups, and small businesses worldwide.
As an early-stage product, our focus is on growing our user community and continuously improving the platform based on customer feedback.
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.
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