Free online tool
Image Resolution Changer — free, fast, online
Change DPI / pixel dimensions for printing or upload.
What this tool does
Change DPI / pixel dimensions for printing or upload. It runs entirely in your browser when possible, or on our Indian servers when heavy lifting is needed (FFmpeg, OCR, AI).
Toolzfy is built for Indian users — Hindi support, GST/Aadhaar/PAN-aware tools, low-bandwidth mobile-first design.
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FAQ
Can I keep the aspect ratio locked?+
Yes. Toggle the lock icon and only the width or height changes — the other dimension is computed automatically.
What about DPI?+
For print, set DPI to 300. For web/social, 72 DPI is standard.
Is image resolution changer on Toolzfy really free?+
Yes — completely free. No signup, no watermark, no hidden charges. Made by an Indian team.
Is my file uploaded anywhere when I use image resolution changer?+
For browser-side tools, files never leave your device. For server-side tools (large files, FFmpeg jobs), uploads are processed and auto-deleted within 1 hour.