Blog

Guides & tips

Practical notes on compressing, resizing, and converting images — plus why browser-side tools keep your files private.

• July 21, 2026

  AVIF vs WebP — Which Is Smaller for the Web?

  AVIF often wins on size; WebP wins on compatibility. Compare both and convert in your browser with PrivyTool.

• July 20, 2026

  How to Resize an Image for Instagram (2026 Sizes)

  Common Instagram feed, story, and profile sizes — and how to resize privately without uploading to a third-party server.

• July 19, 2026

  Best Free Image Tools That Don’t Upload Your Files

  Looking for online image tools that keep files on your device? Here’s how PrivyTool’s browser-based toolkit compares to upload-first sites.

• July 18, 2026

  Compress an Image for WhatsApp Without Losing Too Much Quality

  WhatsApp recompresses media. Learn how to pre-compress photos so they send faster and still look sharp on phones.

• July 17, 2026

  Why Browser-Side Image Tools Beat Upload Sites

  Upload-based compressors send your files to a server. Learn why client-side (in-browser) processing is faster for privacy and often just as capable.

• July 16, 2026

  JPG vs PNG vs WebP — When to Use Each Format

  A practical guide to choosing JPEG, PNG, or WebP for photos, screenshots, and web uploads — plus free browser conversion.

• July 15, 2026

  Passport Photo Size Requirements (India & US) — Resize Online

  Quick guide to common passport and visa photo sizes for India and the US, plus how to resize privately in your browser.

• July 14, 2026

  How to Compress an Image to 50KB for Online Forms

  Many government and job portals reject photos over 50KB. Learn how to hit that limit in your browser without uploading files to a server.