Adjust PDF margins interactively with precise controls. Modify margins using arrow buttons or adjust left and right margins separately. Open files from the or other applications like Safari. Save changes directly to the original file.
by Yohei Iseki★ 4.647 ratingsProductivityFreeData updated 2026-09-17
Effortless PDF annotation and collaboration tools.
The app offers effortless PDF annotation with an intuitive interface. It provides fast document review using a thumbnail sidebar and supports sharing annotations with other users.
The app adds real-time watermarks to photos and videos, including current time and address. Users can customize timestamp formats, fonts, positions, and add custom text or logos.
Edit PDFs with text, image, and layout modifications. Read with AI summaries, highlights, and customizable themes. Annotate using highlights, notes, and sketches. Fill and sign forms interactively. Convert PDFs to Word, Excel, PPT, images, and TXT.
Transfer files between devices, iCloud Drive, and cloud services like Dropbox, Box, OneDrive, and Google Drive. Upload/download to FTP/SFTP/FTPS servers. Save local files to iCloud Drive. Export files in various formats.
The app allows users to transfer files via WiFi and USB. It supports Zip and Rar decompression, folder creation, and batch operations for multiple files.
Read eBooks and documents in multiple formats including , PDF, TXT, Pages, Numbers, Keynote, HTML, Markdown, and TXT. Adjust text size, font, and background. Organize and annotate content. Sync reading progress across devices.
Convert multiple images into a single PDF file. Select and arrange images in a customizable layout. Choose paper sizes and adjust margins. Save and share the final PDF directly.
Opens winmail.dat files sent by Outlook and Outlook Express. Supports iOS 17 and iPadOS 17. Enables drag-and-drop on iPads. Integrates with file managers to open and save files to iCloud, DropBox, and other supported locations.
Edit PDFs with precise formatting, text editing, and annotation tools. Add comments, highlight text, and fill out forms. Save and share edited documents directly. Supports offline use without account requirements.
The app plots Bode and Nyquist diagrams for a transfer function and visualizes its impulse response. It analyzes frequency-domain behavior and time-domain dynamics, evaluating system stability and showing gain and phase margins.