Office

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

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

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

A PDF cleaning tool that removes metadata, annotations, and unnecessary data to reduce file size and protect your privacy.

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

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

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

Set PDF printing, copying, and editing permissions. Add open and owner passwords to secure your documents.

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

Open and read local PDF files in your browser with page navigation, fit modes, document metadata, printing, and download.

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

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

Quickly look up common Excel shortcuts with this free online tool. Supports category filtering and keyword search to boost your productivity.

Intelligently recognize and extract various date and time information from text with standardized output.

Convert text-based PDFs to reflowable EPUB ebooks with optional title, author, and language metadata.

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

Create printable A4, A5, B5, or Letter dot grid paper with custom spacing, colors, headers, and page numbers. Export to PDF for printing.

Customize line spacing, paper size, and headings, then export a high-resolution printable lined paper template.

Parse PDF, DOC, or DOCX resumes into contact, skills, education, and experience fields. Best tested in English, with support for common languages.

Quickly find essential PowerPoint keyboard shortcuts. Search by category or key combination to boost your presentation workflow instantly.