免费工具

PDF Editor

Add text annotations to PDF pages in your browser. Click to place text, choose font and size, then download the updated PDF.

Drop a PDF here or click to browse

or click to browse

What this editor does

This is a text annotation tool — it lets you add new text on top of existing PDF pages. It does not allow editing the original text content, reflowing paragraphs, or changing images.

Why use PDF Editor online?

PDF Editor in the browser saves context switching: no CLI install, no fragile one-liners, and instant feedback for teammates who do not live in the terminal. It is ideal for debugging, demos, and quick checks during code review.

Tips for best results

Work with a sample payload first, then paste production data. Keep privacy in mind: prefer local browser processing for secrets, tokens, and customer data. Bookmark this page for faster access next time.

How to use

  1. Upload a PDF.
  2. Select a page using the thumbnail strip.
  3. Choose Add new text and click anywhere on the page.
  4. Type your annotation.
  5. Click Download PDF when done.
  6. Review the output and use Copy to paste into your editor, ticket, or chat.
  7. Need another utility? Scroll to Related Tools below for PDF Editor companions on skybin.io.
  8. For a deeper walkthrough, read the linked Skybin blog article at the bottom of this page.

在线工具与终端对比

终端 / CLI本工具
Install CLI tools or write a one-off scriptOpen the tool in your browser — no install
Look up flags in man pages or Stack OverflowPaste input or upload files where supported
Repeat for each file format or edge caseGet instant visual feedback and copy buttons

All editing runs in your browser using pdf-lib — no files are uploaded to any server.

来自 Skybin 博客

Free developer tools from Skybin

在 Skybin 阅读指南

常见问题

Can I edit existing text in the PDF?
No. This tool adds text annotations on top of pages. Editing embedded text in a PDF requires access to the original document source.
Is this tool free to use?
Yes. All Skybin developer tools are free with no account, API key, or usage limits.
Does my data get sent to a server?
No. Processing runs in your browser whenever possible. Sensitive input never leaves your device unless a tool explicitly fetches a URL you provide (e.g. OG Validator).
Can I use this on mobile?
Yes. The tools work in modern mobile browsers, though a desktop screen is easier for large JSON or PDF workflows.
How is this different from desktop apps?
There is nothing to install or update. Open a bookmarked URL and start working — ideal for quick tasks during development or support calls.
Are there keyboard shortcuts?
Most tools support standard paste (Ctrl+V / Cmd+V) and select-all in text areas. Copy buttons provide one-click output.
Does Skybin store my history?
No. We do not log tool inputs or outputs. Refreshing the page clears in-memory state unless the tool encodes state in the URL.
Can I share PDF Editor with my team?
Yes. Send them the page URL. For tools that support URL state (e.g. CSS Gradient), shared links can include your settings.