Office

Lorem Ipsum Generator

Quickly generate Latin placeholder text for design and typography. Supports paragraphs, sentences, and words.

Vacation Homework Tracker

Customize days and subjects to instantly generate a free, printable homework tracker grid.

Excel Function Lookup

Quickly look up common Excel functions by category. View syntax, parameters, and practical examples to build formulas faster.

Random Key Generator

Generate highly complex random passwords to protect your financial accounts and sensitive information.

Batch File Type Identifier

Identify true file formats. Supports bulk uploads and determines file types using magic numbers instead of extensions.

PDF to CSV Converter

Accurately extract PDF table data and convert it to CSV format for easy data analysis and processing.

Markdown to PDF Converter

Convert Markdown documents to PDF online while preserving formatting and images. Perfect for exporting technical documentation and notes.

PDF to PPT

Convert PDF documents into editable PPTX, PPT, or ODP presentations while preserving text and images.

Organize PDF Pages

A single-file PDF tool to rearrange pages and remove signatures for optimized document structure.

Remove Pages from PDF

Accurately delete specific pages from PDF documents. Supports both single page and page range operations.

PDF Page Extractor

Precisely extract specific pages from PDF documents. Supports custom page ranges and format retention.

Text Keyword Extractor

Extract core keywords from Chinese text using semantic analysis. Supports custom keyword quantities for content analysis, SEO optimization, and information organization.

Text Filter Tool

Filter text content based on keywords and regular expressions. Supports include/exclude modes to quickly extract the information you need.

Bulk Backlink Submitter

Bulk submit your website to high-authority platforms to quickly build backlinks and boost your SEO rankings.

Text Length Filter

Quickly filter text by character count range and clean up sentences or paragraphs that don't meet your length requirements.

Bing URL Submission Tool

Free online Bing URL submission tool. Quickly submit your website links to the Bing search engine to speed up crawling and improve indexing efficiency.

PDF Password Remover

Remove PDF open passwords online to unlock document access. Supports files up to 20MB.

Class Schedule Maker

Customize themes and class periods, generate high-resolution class schedules in one click, and export for printing.

AI 工作周报生成

输入每日工作要点与进度，AI 自动梳理逻辑并生成结构化、可直接提交的职场周报。

Duplicate Line Remover

Efficiently remove duplicate lines from text while preserving the original line order.