// 免费在线工具
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客户端运行。无需账号。无广告。无数据收集。只提供好用的工具。
Percentage Calculator
Find percentages, calculate increases and decreases, and express one number as a fraction of another.
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Reading Time Calculator
Paste any article text to instantly estimate reading time. Adjust for slow, average, or fast readers.
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Tip Calculator
Calculate tip, split bills between any number of people, and round up totals. Multiple currencies supported.
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Invoice Generator
Create a clean PDF invoice in seconds - no account, no watermark, no subscription.
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CV Maker & Resume Builder
Build a CV or resume with three templates, an optional photo and a live A4 preview. Export a PDF - no signup, no watermark.
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Image Compressor
Compress JPG, PNG, WebP and AVIF images in your browser. Convert formats, resize, and reduce file size by up to 90%.
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PDF Editor
Edit PDFs in your browser - add text, draw, highlight, rotate or delete pages, and download instantly. No upload required.
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Word 转 PDF
在浏览器中将 Word .docx 文档转换为 PDF。免费、无需注册、无水印 - 文件不会离开您的设备。
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合并 PDF
按您选择的顺序将多个 PDF 合并为一个。免费、无需注册、无水印 - 文件不会离开您的设备。
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拆分 PDF
从 PDF 中提取指定页面，或按页拆分为多个文件。免费、无需注册、无水印 - 文件不会离开您的设备。
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JPG 转 PDF
按您选择的顺序将 JPG、PNG 或 WebP 图片合成一个 PDF。免费、无需注册、无需上传。
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PDF 转 JPG
将 PDF 的每一页转换为 JPG 图片。免费、无需注册、无水印。
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旋转 PDF
把横放或倒置的页面转正 - 全部页面，或只转您指定的。免费。
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Password Generator
Generate strong, random passwords instantly. Customize length and character sets - runs entirely in your browser, never uploaded.
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QR Code Generator
Generate QR codes from any URL or text instantly. Customize size, colors, and error correction. Download as PNG or SVG.
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Email Signature Generator
Create professional email signatures with your logo, social links, and custom colors. Copy HTML or paste directly into Gmail/Outlook.
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Spam Words Checker
Paste your email content and get a spam score with flagged trigger words highlighted. Improve deliverability before you hit send.
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所有图片工具
所有转换、压缩和调整尺寸工具。全部在浏览器中运行。