Guides
Practical, source-cited answers on image sizing, compression and photo compliance.
How to Compress an Image to an Exact KB Size
A step-by-step guide to compressing any image to a precise file-size target in KB or MB — without going over — entirely in your browser.
Jun 13, 2026
Passport & Visa Photo Size Requirements (US, UK, EU, India)
The exact pixel dimensions, file size and background for passport and visa photos by country — and how to make a compliant one for free in your browser.
Jun 13, 2026
Indian Exam Photo & Signature Size Guide (SSC, UPSC, IBPS, NEET, GATE, RRB)
Exact photo and signature dimensions and KB limits for major Indian government exams — SSC, UPSC, bank (IBPS/SBI), NEET, JEE, GATE and Railway — with one-click presets.
Jun 13, 2026
JPG vs PNG vs WebP: Which Image Format Is Smallest?
A clear comparison of JPG, PNG and WebP — file size, quality, transparency and when to use each — so you can pick the smallest format for the job.
Jun 13, 2026
How to Compress a Signature to 10–20 KB for an Online Form
A quick guide to scanning and resizing a handwritten signature to the exact pixels and 10–20 KB most exam and bank forms require.
Jun 13, 2026
HEIC vs JPG: What's the Difference and How to Convert
What HEIC is, how it compares to JPG, why upload forms reject it, and how to convert HEIC to JPG privately in your browser.
Jun 13, 2026
Does Gmail Compress Images? Size Limits and Best Settings
Learn when Gmail changes how photos are sent, its attachment-size limit, and how to compress images for email without making them look blurry.
Jul 26, 2026
Compress your first image now
Free forever. No signup, no watermark, no upload. Everything runs on your device.