Guides
These guides explain how Swiftener’s free tool suites work in practice — when processing stays in your browser, when temporary uploads are used, and how to finish common jobs without installing desktop software.
All guides
- Browser-first vs server-assisted tools: which should you use? — A practical guide to choosing private in-tab processing versus temporary server uploads on Swiftener.
- How to convert files online more safely — Practical habits for PDFs, audio, and video when you use free converters — what to upload, what to keep local, and what to delete.
- Compress a PDF without installing software — Step-by-step guidance for shrinking PDFs in the browser with Swiftener PDF Tools, plus when compression hurts quality.
- Trim and normalize audio in your browser — How to cut silence, normalize loudness, and export common formats with Swiftener Audio Tools.
- PNG, JPEG, or WebP? Choosing an image format — A clear comparison of common image formats and how to convert them privately with Swiftener ImageTools.
- Unit conversion and math tools that stay on your device — How MathTools helps with units, calculators, and LaTeX without sending your numbers to a cloud worksheet.
- Learn to code in the browser with Development tools — Using Swiftener playgrounds for JavaScript, Python, SQL, and more — when drafts stay local and how to practice safely.
- Build a full app with Swiftener project tutorials — How the Tutorials suite works: numbered lessons, GitHub snapshots, and a practical first-week study plan.
- Check DNS, HTTPS, and HTTP headers from your browser — A beginner-friendly walkthrough of Network Tools for diagnosing certificates, redirects, and DNS records.
- Local-first productivity apps without another SaaS login — Calendar, tasks, notes, and vaults that store data in your browser — plus export habits that prevent lock-in.
- How Swiftener handles privacy across suites — Plain-language explanation of browser-local jobs, temporary uploads, cookies, consent, and ads.
- Are free online tools safe? A checklist — Questions to ask before uploading files to any free utility site — and how Swiftener answers them.
Looking for hands-on app builds? Visit Tutorials. For the product story, see About.