Work · alternatives · 2026
24 alternatives to StampPDF
Auto-place stamps, signatures & seals on PDFs in seconds
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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BreezePDF lets you edit, sign, merge, compress, redact, OCR, fill forms, extract tables, and use 30+ more PDF tools — all in the browser, no sign-up. Files never leave your computer. I built it because when people search Google for common PDF tasks, many of the tools they find upload documents to a server. I wanted an option that keeps files local instead. I posted an earlier version on HN last spring: https://news.ycombinator.com/item?id=43880962 At the time it only supported a small set of features. Over the last 10 months I rebuilt large parts of it and expanded it to…
2025 · breezepdf.com · its alternatives →
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Hey HN! I built SimplePDF Copilot: an AI assistant that can interact with the PDF editor. It fills fields, answers questions, focuses on a specific field, adds fields, deletes pages, and so on. It's built on top of SimplePDF that I started 7 years ago, pioneering privacy-respecting client-side pdf editing, now used monthly by 200k+ people. As for the privacy model: the PDF itself never leaves the browser. Parsing, rendering, and field detection all run client-side. The text the model needs (and your messages) goes to whatever LLM you point at. By default that's our demo proxy (DeepSeek V4…
May 2026 · copilot.simplepdf.com · its alternatives →
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Enable your website visitors to fill, annotate, merge and edit PDF files without leaving your website. Use the iframe, Javascript script or React component.
2023 · simplepdf.github.io · its alternatives →
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Add stamps & signatures to PDF in seconds
Feb 2026 · stampdocs.app · its alternatives →
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I created this tool to make it quick and easy to sign PDF contracts, without having to deal with installing additional software and without worrying that my PDFs will get uploaded to a third party. It supports the bare minimum for my most common usecases. It is not intended to be a full-featured PDF editor. Features include filling PDF forms, inserting images and text, and rotating PDFs. Check it out by either picking a PDF of your own - https://photown.github.io/private-pdf/, or with a preloaded sample PDF -…
2023 · github.com · its alternatives →
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Tamponnez vos pdf en 30 secondes - v2025.01.15
2025 · pdftampon.vercel.app · its alternatives →
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2020 · playground.pdffiddler.com · its alternatives →
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Create & stamp documents online — free & private
Apr 2026 · onlinestampdoc.com · its alternatives →
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Effortlessly create, manage, and e-sign documents with ease
2023 · hellobonsai.com · its alternatives →
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ClickPDF▲4100% private, browser-based PDF tools. No file uploads.
Aug 2026 · clickpdf.in · its alternatives →
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Scan Documents Like a Pro — Fast, Clear & Paperless
Jun 2026 · play.google.com · its alternatives →
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The only PDF signing tool for adding real signature to PDF
Jul 2026 · sign-pdf.online · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →