For students, admin teams and anyone emailing documents
Merge, split, sign and convert PDFs without buying Acrobat
The PDF job blocking you — combining, shrinking, signing, or turning it into Word — done in your browser in seconds.
编辑 PDF
合并、拆分、旋转、整理、压缩、签名、批注、加水印和密码保护。
合并 PDF
Stop emailing five attachments. Drop your PDFs, drag them into order, and download a single merged file in seconds. Free to start, no watermark, files auto-deleted.
立即试用拆分 PDF
Split a PDF by page range, every N pages, or one file per page — download a single file or a ZIP of parts in seconds. Free to start, no watermark, files auto-deleted.
立即试用旋转 PDF
Scanned upside down or sideways? Turn every page or just the crooked ones 90°, 180° or 270° with visual thumbnails, and download a permanently fixed PDF in seconds. Free to start.
立即试用整理 PDF
Drag pages into a new order and click to delete the ones you don't need — reorder, extract and remove in one pass, done in seconds. Free to start, files auto-deleted.
立即试用压缩 PDF
Rejected by an upload limit or bounced by email? Pick a quality preset and get a much smaller PDF in seconds — same document, lighter file. Free to start, no watermark.
立即试用PDF 加水印
Mark a document CONFIDENTIAL, DRAFT or anything else across every page — control font, color, opacity and angle, download in seconds. Free to start, files auto-deleted.
立即试用PDF 密码
Protect a sensitive PDF with password encryption, or remove the password from a file you can already open — either way, done in seconds. Free to start, files auto-deleted.
立即试用PDF 签名
No printer, no scanner — draw, type or upload your signature, place it on any page, and download the signed PDF in under a minute. Free to start, no watermark.
立即试用PDF 编辑器
Fix a typo, update a date, correct a name — click any line of real text in your PDF, retype it, match font, size and color, and download. Free to start, no watermark.
立即试用PDF 批注
Add notes and color highlights exactly where they matter — click to place, pick color and size, and export a marked-up PDF in seconds. Free to start, no watermark.
立即试用填写 PDF 表单
Every field in your fillable PDF — text, checkboxes, dropdowns, radio buttons and lists — detected automatically. Type your answers, flatten if you like, download in minutes. Free to start.
立即试用为 PDF 添加页码
Stamp page numbers across your whole PDF — pick the position, starting number, and font size, skip the cover page, and download in seconds.
立即试用裁剪 PDF
Cut wasted white space from scans and exports — set top, right, bottom, and left margins in millimeters, check the live preview, and download in seconds.
立即试用展平PDF
A filled form anyone can click into is a form anyone can alter. Flatten it so every answer becomes permanent page content, ready to send in seconds.
立即试用从 PDF 中提取图片
Stop screenshotting pages to save pictures. Get every embedded photo and graphic back as a ZIP of full-quality PNGs in seconds.
立即试用解锁 PDF
You know the password — you're just tired of entering it. Type it once and download an identical copy that opens instantly from then on.
立即试用从 PDF 转换
将 PDF 转换为 Word、Excel、PowerPoint、HTML、CSV、纯文本或图片。
PDF 转 Word
Stop retyping locked PDFs. Get a clean .docx with fonts, tables and layout preserved that opens in Word, Pages or Google Docs — ready in seconds. Free to start, no credit card.
立即试用PDF 转 Excel
No more copy-pasting numbers cell by cell. Every table in your PDF lands in a styled .xlsx with frozen headers and sized columns — done in seconds. Free to start, no credit card.
立即试用PDF 转文本
Locked, scanned or image-only PDFs become plain, copyable text in seconds — OCR reads what selection can't. Copy it or download as .txt. Free to start, no credit card.
立即试用PDF 转 CSV
Skip manual re-entry. Every table in your PDF becomes a clean CSV — one file per table, zipped and ready to import into Excel, Sheets or your database. Free to start, no credit card.
立即试用PDF 转 HTML
Get semantic HTML with real table markup you can paste straight into your site or CMS — works on scanned PDFs too, done in seconds. Free to start, no credit card.
立即试用PDF 转图片
Get each page as a high-resolution JPG or PNG at up to 300 DPI — download one page or grab them all as a zip in seconds. Free to start, no credit card.
立即试用PDF 转 PNG
Every page becomes a lossless PNG with sharp text and clean graphics — pick 150, 200, or 300 DPI and download pages one by one or all at once.
立即试用PDF 转 PowerPoint
Stop rebuilding slides from scratch. Get a .pptx with one slide per page, layout and fonts intact — ready to edit and present in seconds. Free to start, no credit card.
立即试用图片转 PDF
Turn JPG, PNG, WEBP or HEIC images into a single multi-page PDF — drag to reorder, preview, and download in seconds. Free to start, no credit card.
立即试用可搜索的 PDF
Scans and photo PDFs get a hidden text layer so you can search, select and copy — perfect for archives and records, ready in seconds. Free to start, no credit card.
立即试用PDF 翻译工具
Stop copy-pasting passages into translation boxes. Upload a PDF, pick a language, and download a clean translated PDF or text file in minutes. Free to start, no credit card.
立即试用创建 PDF
用 Word、Excel、PowerPoint、HEIC 照片或手机相机创建 PDF。
Word 转 PDF
Convert .doc, .docx, .odt or .rtf to a PDF that looks the same on every screen — fonts and layout preserved, done in seconds. Free to start, no credit card.
立即试用Excel 转 PDF
Convert .xls, .xlsx, .ods or .csv to PDF with gridlines and formatting intact — no broken pages or cut-off columns, done in seconds. Free to start, no credit card.
立即试用PowerPoint 转 PDF
Convert .ppt, .pptx or .odp into a PDF with one slide per page — fonts and themes intact, opens anywhere without PowerPoint, done in seconds. Free to start, no credit card.
立即试用HEIC 转 PDF
HEIC files that won't open on Windows or attach to forms — drop them here and get a single multi-page PDF in seconds. Free to start, files auto-deleted after processing.
立即试用扫描成 PDF
No scanner? Point your phone or laptop camera at the page, capture and reorder as many pages as you need, and download an A4 or Letter PDF in minutes. Free to start.
立即试用