FileKeeps

Guides

Guides

Practical guides on handling your files safely in the browser. Every article links straight to the actual tool.

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AI

What are Claude Skills? A Smarter Way to Delegate Repetitive Tasks to AI

How to assign specialized skills to AI for consistent results without repeating instructions every time, covering Claude Skills, practical use cases, and privacy.

5 min read07/26/2026
AI

What is On-Device AI? How to Process PDF Summaries and Speech-to-Text Locally on Your PC

Understand the pros and cons of on-device AI running AI models directly inside your browser via WebGPU and WebAssembly.

5 min read07/26/2026
Images

How to Remove an Image Background — With AI, In Your Browser, No Upload

How to remove the background from portrait or product photos with AI and save them as transparent PNGs — processed inside your browser, with no upload.

5 min read07/16/2026
Images

Convert Dozens of Images at Once (as a ZIP, In Your Browser)

How to convert many images to another format at once, shrink their size, and download them as a ZIP — with parallel processing and resume, all inside the browser.

5 min read07/16/2026
PDF

How to Add Page Numbers to a PDF (In Your Browser, No Upload)

How to stamp a page number on every page of a report or contract PDF — processed inside your browser, without sending the file to a server.

3 min read07/16/2026
Media

How to Convert M4A or WAV to MP3 (In Your Browser, No Upload)

How to convert audio files between MP3, WAV, M4A, OGG, and more — transcoded directly inside your browser with FFmpeg.

4 min read07/16/2026
AI

Summarize and Question a Long PDF with AI (In Your Browser, No Upload)

How to summarize a PDF of dozens of pages with AI and ask it questions directly — analyzed inside your browser, without sending the document to a server.

5 min read07/16/2026
Media

Turn a Meeting Recording into Notes Automatically (In Your Browser)

How to auto-transcribe a meeting or interview recording and summarize it with AI into meeting notes — processed in your browser by default.

5 min read07/16/2026