
PandaDoc
Dropbox Sign
Adobe Sign
SignNow
DottedSign
SignEasy
DocHub
Try DocuSign's interactive signing demo now! Send yourself an electronic document to digitally sign using our e-signature service.

Adobe Acrobat DC
Smallpdf
iLovePDF
Sejda
PDF Expert
PDFStaple
Ordecto
Redact, edit, OCR, and sign PDFs entirely in your browser. The file never leaves your device. Free, no account needed.
Which is more popular?
Based on our record, DocuSign seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | docusign.com | keptpdf.com |
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| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DocuSign yet.
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: Redaction that auto-detects names, SSNs, phone numbers, addresses, and dates, then removes the underlying text instead of drawing...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of KeptPDF yet.
Walkthroughs and reviews on video.
Review: PandaDoc vs DocuSign
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DocuSign and KeptPDF.
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.
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.
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.
Share your experience with using DocuSign and KeptPDF. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Other Docusign products allow users to generate agreements and manage agreement workflows. Docusign offers an AI tool that can streamline agreement summaries, contract reviews, and risk identification.
DocuSign might be better in terms of effortlessly signing documents on the go, but PandaDoc has more features for document creation and management and unlimited storage.
DocuSign is a pioneer in the e-signature space and offers a comprehensive platform with powerful features, including advanced document routing, workflow automation, and integration with leading business applications....
We have no reviews of KeptPDF yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


In the new era of digital transformation, the ability to sign various documents electronically has become a cornerstone of business efficiency & success. Open source document signing platforms like OpenSign™, represents a significant... - Source: dev.to / almost 3 years ago
Docusign has a .com address, def not a .click address. This is 100% fishing. A very easy way to tell is to hover over any url and see what the address is. You can also try to do a reply, or if your savvy enough look into the routing... Source: almost 4 years ago
No, it's definitely not dumb. Great point, I imagine there would have to be some legal contract, like docusign.com that can be signed electronically with a deposit. If anyone has anything to input on this, it would be great help. Source: almost 4 years ago
Tracking KeptPDF since Aug 2026.
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