What is the Image Resizer tool?
Change image dimensions for social media covers, YouTube thumbnails (1280×720), passport photos or website banners. Lock the aspect ratio to avoid stretching, or set exact width and height. High-quality resampling keeps images sharp.
How to use Image Resizer
- Drop your images.
- Set width/height or percentage.
- Choose format and quality.
- Download.
Why use this image resizer?
- Create thumbnails and social media sizes
- Shrink huge camera photos for the web
- Batch-resize product images
Tips for the best results
- Start from the largest, sharpest original you have — compressing an already tiny photo reduces quality.
- Crop unnecessary background before resizing so the subject stays clear.
- Check the final KB and pixel size shown under each file before uploading to a portal.
Works well with
People who use the Image Resizer often need these tools too:
- Image to Text (OCR) — Extract text from photos, screenshots and scanned documents in Bangla and English using free OCR that runs in your browser.
- Image Size Reducer (KB) — Reduce any photo to an exact size in KB — 20KB, 50KB, 100KB or any target — for job applications, exam forms, passports and visas.
- Image Converter — Convert images between JPG, PNG, WebP, HEIC, AVIF, BMP, TIFF, GIF, SVG and ICO in bulk — free, fast and 100% in your browser.
- Photo & Signature Resizer — Resize your photo to 300×300 px (≤100KB) and signature to 300×80 px (≤60KB) — the exact sizes required by Teletalk and most Bangladeshi job portals.
Key features
Private by design: how this converter works
Unlike typical online converters that upload your file to a remote server, this Image Resizer converter processes everything on your own device using the HTML5 Canvas API with an adaptive compression algorithm. Your file is read into browser memory, converted, and offered back as a download — it is never sent to us.
- No upload wait — conversion starts instantly, even on slow mobile data.
- Private — safe for NID copies, certificates, bank statements and personal photos.
- No limits — no daily quota, no queue and no watermark.
- Offline-ready — once loaded, many tools keep working without internet.
Frequently asked questions
Will resizing reduce quality?
Downscaling keeps images sharp. Upscaling beyond the original size can look soft.
Is Image Resizer free to use?
Yes. It is completely free, with no account, watermark or usage limit.
Does it work on mobile phones?
Yes. It is fully responsive and works in all modern mobile browsers. You can also add it to your home screen as an app.