Create professional invoices, estimates, and receipts quickly. Add logos, signatures, and taxes. Itemize services, set rates and quantities. Export as PDF for email or sharing.
Create invoices and with customizable templates. Apply branding and generate professional PDFs. Share documents instantly via email or messaging. Track payments and manage multiple projects. Sync with cloud services for file storage.
Generate quizzes using AI based on text input or selected topics. Choose question types like multiple choice, true or false, fill in the blanks, and open questions. Export quizzes in various formats for use in learning platforms or printed materials.
Write and code and plain with syntax highlighting for multiple languages including Python, Java, JavaScript, HTML, CSS, Markdown, and JSON. Manage files and projects across devices with a lightweight interface.
Create professional invoices with customizable templates. Track payment status and manage expenses. Generate proforma and tax invoices. Set payment reminders and export documents in various formats.
Manage files and directories with a built-in browser. Download files via HTTPS. Preview markdown content. Input symbols using an accessory view. Share files with other apps.
Edit files with multiple tabs for simultaneous editing. Use custom fonts and line numbers for precise code work. Access files via iCloud and integrate with Files . Support 191 programming languages with syntax highlighting. Choose from 242 themes.
Generate secure random passwords meeting personal or corporate criteria. Create and copy passwords to the Clipboard for immediate use in other apps. Set length and complexity options.
View and edit files with syntax highlighting and support for 185 programming languages. Choose from 88 themes. Import files via AirDrop, iTunes, or GitHub. Export to other apps. Access a document outline for classes and functions.
Create custom logos using AI-powered design tools. Generate professional logos for businesses, brands, or personal projects. Choose from various styles and templates. Edit elements like colors, fonts, and layouts.
Capture and analyze HTTP//WebSocket . Save all request data locally. View cookies, JSON, and HTML content. Apply custom filters to specific requests. Debug web interactions without uploading user data.
Generate tones, adjust frequencies, play multiple sounds
Generate tones between 20 Hz and 15000 Hz with 0.1 Hz precision. Adjust frequencies and volumes in real time. Play up to 12 tones simultaneously with independent volume control. Supports sine, square, and triangle waveforms.