# www.filestack.com

> AI-optimized mirror of www.filestack.com containing 50 pages totalling 14,065 words of clean markdown content, structured data, and semantic HTML. Original source: https://www.filestack.com/. Last updated: 2026-04-27T16:12:52.319Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Articles & Blog Posts

- [docs/api/sdk/ios/index.html](/docs/api/sdk/ios/index.html) (1 words)
- [docs/api/video_processing/index.html](/docs/api/video_processing/index.html) (1 words)
- [docs/api/workflows_api/index.html](/docs/api/workflows_api/index.html) (1 words)
- [docs/transformations/ui/ios/index.html](/docs/transformations/ui/ios/index.html) (1 words)
- [docs/transformations/ui/web/index.html](/docs/transformations/ui/web/index.html) (1 words)
- [How Filestack Works](/docs/getting-started/how-filestack-works/index.html): Learn more about Filestack and its powerful tools that allow you to upload, transform, and deliver any file in your application. (805 words)
- [docs/transformations/intelligence/video-tagging/index.html](/docs/transformations/intelligence/video-tagging/index.html) (1 words)
- [docs/workflows/overview/index.html](/docs/workflows/overview/index.html) (1 words)
- [Swift SDK](/docs/api/sdk/swift/index.html): Discover the power of Filestack Swift SDK for seamless file uploading, transformations, and more in your iOS application. Start now! (847 words)
- [whitepapers/web-apps-performance/index.html](/whitepapers/web-apps-performance/index.html) (1 words)
- [docs/uploads/storage/index.html](/docs/uploads/storage/index.html) (1 words)
- [File API](/docs/api/file/index.html): Efficiently manage files with the File API endpoint, including upload, store, overwrite, delete, and retrieve file metadata. (954 words)
- [What is Filestack?](/docs/getting-started/what-is-filestack/index.html): Simplify file management for your app with Filestack's powerful APIs, flexible UI integrations, and insights into user behavior. (589 words)
- [Image Sentiment](/docs/transformations/intelligence/image-sentiment/index.html): Leverage Image Sentiment on Filestack to detect emotions in uploaded images, using the Processing API and building logic with response data. (433 words)
- [docs/tutorials/google-gmail-oauth/index.html](/docs/tutorials/google-gmail-oauth/index.html) (1 words)
- [Video SFW](/docs/transformations/intelligence/video-sfw/index.html): Discover Video SFW, an intelligent Filestack feature that ensures your videos are safe for all audiences by detecting and flagging unsafe content. (573 words)
- [docs/tutorials/ios-sdk-installation-and-usage/index.html](/docs/tutorials/ios-sdk-installation-and-usage/index.html) (1 words)
- [docs/tutorials/recaptcha-oauth/index.html](/docs/tutorials/recaptcha-oauth/index.html) (1 words)
- [docs/tutorials/create-workflow/index.html](/docs/tutorials/create-workflow/index.html) (1 words)
- [docs/tutorials/enhance_images/index.html](/docs/tutorials/enhance_images/index.html) (1 words)
- [docs/tutorials/picker-custom-source/index.html](/docs/tutorials/picker-custom-source/index.html) (1 words)
- [docs/tutorials/wordpress-plugin/index.html](/docs/tutorials/wordpress-plugin/index.html) (1 words)
- [docs/tutorials/ios-sdk-installation-and-usage-objective-c/index.html](/docs/tutorials/ios-sdk-installation-and-usage-objective-c/index.html) (1 words)
- [docs/tutorials/onedrive-for-business/index.html](/docs/tutorials/onedrive-for-business/index.html) (1 words)
- [Image Captioning](/docs/transformations/intelligence/caption/index.html): Generate accurate descriptions of your images using Filestack Intelligence, enhanced with cutting-edge image captioning capabilities for precision. (406 words)
- [Setup OAuth for Instagram](/docs/tutorials/instagram-oauth/index.html): Learn how to set up OAuth for Instagram and create your own Instagram OAuth application for seamless file uploading using Filestack. Get started now (613 words)
- [Image SFW](/docs/transformations/intelligence/sfw/index.html): Discover Filestack's Safe for Work (SFW) service, ensuring uploaded files are free of unsafe content, providing peace of mind for your business. (451 words)
- [Installation and Usage of Transformations UI for iOS Apps](/docs/tutorials/ios-transformations-ui-installation-and-usage/index.html): Detailed instructions for integrating Transformations UI in iOS projects using Xcode and Swift Package Manager for advanced image processing. (428 words)
- [Setup OAuth for Google Photos](/docs/tutorials/google-photos-oauth/index.html): Learn how to set up OAuth for Google Photos and create your own OAuth application for seamless integration with Filestack. Get started now (515 words)
- [Remove permissions given to Filestack](/docs/tutorials/remove-permissions/index.html): Learn how to remove permissions granted to Filestack during file uploads. Safeguard your accounts from unnecessary access with our step-by-step tutorial (518 words)
- [Don’t DIY… API.](/file-uploader-diy/index.html): It is a waste of time and money to build and manage your own upload solution. Integrate with Filestack and concentrate on your main product. (482 words)
- [Virus Detection](/docs/transformations/intelligence/virus-detection/index.html): Detect and eliminate infected content with ease using Filestack's Virus Detection feature. Safeguard your files and protect your users effortlessly. (373 words)
- [Setup OAuth for Google Drive](/docs/tutorials/google-drive-oauth/index.html): Learn how to set up OAuth for Google Drive and create your own OAuth application for a seamless file uploading experience using Filestack (606 words)
- [Processing Engine](/docs/transformations/overview/index.html): Filestack's Processing Engine empowers developers to transform images, documents, and videos seamlessly, leveraging the Filestack CDN. (464 words)
- [Securing access to your account and assets](/docs/tutorials/security-best-practices/index.html): Learn how to securely integrate Filestack into different kinds of apps and avoid bad practices with regards to file security (783 words)
- [Domain Whitelists](/docs/security/domain_whitelists/index.html): Enhance security with Domain Whitelists for Upload and Delivery. Protect your resources by controlling approved domains and preventing abuse. (477 words)
- [Phishing Detection](/docs/transformations/intelligence/phishing-detection/index.html): Safeguard against phishing with Filestack's Phishing Detection. Detect malicious HTML and protect your users from online threats. Stay secure today! (325 words)
- [Form submission with the Android picker](/docs/tutorials/android-form/index.html): Learn how to integrate Filestack into your Android app's form uploads. Simplify file selection, upload, and display with the Filestack SDK (598 words)
- [CDN](/docs/delivery/cdn/index.html): Filestack's CDN ensures quick, dependable global asset access. Efficiently manage your files using the Filestack CDN. (300 words)
- [Fixing ‘Captcha Invalid’ on signup](/docs/tutorials/tags/cloud/index.html): Step-by-step guide to connect Filestack with cloud services via OAuth—Google Drive, Microsoft, Dropbox, and more—for seamless file uploads. (288 words)
- [WordPress Plugin](/docs/tutorials/index.html): Explore Filestack tutorials for uploads, OAuth, WordPress, image tools, and SDK setup guides to build faster, smoother file workflows today. (329 words)
- [Text Sentiment](/docs/transformations/intelligence/text-sentiment/index.html): Explore the power of Text Sentiment on the Filestack platform. Detect emotions and sentiments in text with ease. Unleash intelligent analysis today! (211 words)
- [Add the web picker to your HTML forms](/docs/tutorials/picker-form/index.html): Explore how to extract user files via the picker and seamlessly integrate them into a basic HTML form, enhancing overall user interaction. (443 words)
- [Setup OAuth for Dropbox](/docs/tutorials/dropbox-oauth/index.html): Create and integrate a custom Dropbox application with Filestack using OAuth for seamless cloud storage integration (186 words)
- [File Pickers](/docs/uploads/pickers/index.html): Streamline your app with File Pickers for Web, iOS, and Android, enhancing user experience through hassle-free integration. (220 words)
- [Setup OAuth for Microsoft](/docs/tutorials/microsoft-sign-in/index.html): Seamlessly sign in to Filestack using your Microsoft account. Follow simple steps to set up OAuth for Microsoft and enjoy easy access (201 words)
- [Transformations UI](/docs/transformations/ui/index.html): Integrate Filestack image transformations into your digital workflow with our detailed, user-friendly documentation designed to simplify processes. (207 words)
- [Validate Dimension Constraints for Local Images](/docs/tutorials/on-file-selected-images/index.html): Implement the onFileSelected callback to set image dimension constraints on local files, ensuring they meet your specific requirements. (353 words)
- [Create Simple Custom Source Plugin With Filestack](/docs/tutorials/tags/custom-source/index.html): Learn how to create custom source plugins for Filestack Picker so users can upload files from tailored storage sources and workflows with ease. (34 words)
- [[Form submission with the Android picker](https://www.filestack.com/docs/tutorials/android-form/)](/docs/tutorials/tags/android/index.html): With the Filestack Android SDK, your app can support seamless file picking and uploading from cloud platforms or local sources. (35 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/content/robots.txt): Crawler directives