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Resize Images Online

Resize, compress, and optimize images to exact KB, pixels, or print dimensions.

Categories

Explore our categorized suite of web tools

Image Resizer Tools

Advanced Image Resizer

Resize multiple images online by percentage, custom pixels, exact target KB, or print units.

Resize Image in Pixels

Set exact width and height dimensions in pixels with aspect ratio preservation.

Resize Image in KB

Compress and reduce your photo to any custom Kilobyte (KB) size target.

Resize Image in MB

Compress heavy multi-megabyte DSLR and mobile photos into manageable sizes.

Resize Image to 10KB

Reduce photo or signature size to under 10KB for strict online portals.

Resize Image to 15KB

Quickly downscale photos and identity card scans to 15KB.

Resize Image to 20KB

Popular choice for passport photos and exam registration portals.

Resize Image to 25KB

Reduce image size down to 25KB in one click.

Resize Image to 30KB

Accurately adjust image weight to 30KB.

Resize Image to 40KB

Compress photos to 40KB for web and form uploads.

Resize Image to 45KB

Tailor-made tool for portals with strict 45KB thresholds.

Resize Image to 50KB

The golden standard for employment forms and online KYC verification.

Resize Image to 75KB

Balance visual sharpness and bandwidth with 75KB optimization.

Resize Image to 100KB

The most popular size limit for corporate resumes and visa applications.

Resize Image to 200KB

High-resolution optimization for website banners and portfolios.

Resize Image in CM

Specify physical print dimensions in Centimeters with DPI calibration.

Resize Image in MM

Millimeter precision for stamps, identity badges, and micro documents.

Resize Image in Inches

Standard US print sizing in inches (2x2 passport, 4x6, 5x7, 8x10).

Reduce Image Size in KB

Dedicated low-bandwidth photo reducer to shrink file weight in KB.

Reduce Image Size in MB

Shrink large megabyte photos from DSLRs and smartphones.

Reduce Image to 100KB

Target 100KB file size with one click.

Reduce Resolution of Image

Downscale megapixels and display resolution for faster web rendering.

Resize Image for Printing

Resize photos to exact Centimeters (CM) with 100 DPI, CMYK color mode, and print exposure enhancements.

Converter Tools

WebP Converter

Convert any image format to WebP or transcode WebP to JPG and PNG with high quality.

JPG to PDF

Convert JPG photos into a clean, professional, and downloadable PDF document.

PDF to JPG

Extract and convert PDF document pages into high-resolution JPG images.

Images to PDF

Combine multiple images in JPG, PNG, or WebP format into a single PDF file.

PDF to Image

Convert PDF pages into image formats like JPG, PNG, and WebP instantly.

JPG to PNG

Convert JPG images to lossless PNG format with transparent alpha channel support.

PNG to JPG

Convert heavy transparent PNG images to lightweight universal JPG format.

JPG to WebP

Convert JPG images to modern Google WebP format for 30% faster websites.

WebP to JPG

Convert WebP images into universal JPG format compatible with all devices and editors.

PNG to WebP

Convert PNG to WebP while strictly preserving alpha transparency and reducing size.

WebP to PNG

Convert WebP images to transparent, uncompressed PNG format.

JPG to AVIF

Convert JPG images to state-of-the-art AVIF format for 50% bandwidth savings.

PNG to AVIF

Convert PNG images to AVIF with transparency and ultra-low file weight.

AVIF to JPG

Convert AVIF images into standard JPG format for universal compatibility.

AVIF to PNG

Convert AVIF images to lossless PNG format with transparency support.

HEIC to JPG

Convert Apple iPhone HEIC and HEIF photos to universal JPG format online.

HEIC to PNG

Convert Apple iPhone HEIC photos to lossless PNG format with transparent backgrounds.

SVG to PNG

Convert vector SVG illustrations and logos into high-resolution transparent PNG images.

SVG to JPG

Convert vector SVG graphics to standard lightweight JPG images.

GIF to PNG

Convert GIF images and animated frames into high-resolution lossless PNG files.

GIF to JPG

Convert GIF images to universal lightweight JPG photos.

BMP to JPG

Convert uncompressed Windows Bitmap (BMP) images into lightweight JPG format.

BMP to PNG

Convert Windows Bitmap BMP images to lossless PNG format.

TIFF to JPG

Convert heavy high-resolution TIFF / TIF photos to standard lightweight JPG format.

TIFF to PNG

Convert print-grade TIFF images to lossless PNG format with alpha channel support.

Convert to JPG

Convert PNG, WebP, AVIF, HEIC, PDF, BMP, SVG, and TIFF files into universal JPG format.

Advanced Image Resizer

Resize multiple images online by percentage, custom pixels, exact target KB, or print units.

Resize Image in Pixels

Set exact width and height dimensions in pixels with aspect ratio preservation.

Resize Image in KB

Compress and reduce your photo to any custom Kilobyte (KB) size target.

Resize Image in MB

Compress heavy multi-megabyte DSLR and mobile photos into manageable sizes.

Resize Image to 10KB

Reduce photo or signature size to under 10KB for strict online portals.

Resize Image to 15KB

Quickly downscale photos and identity card scans to 15KB.

Resize Image to 20KB

Popular choice for passport photos and exam registration portals.

Resize Image to 25KB

Reduce image size down to 25KB in one click.

Resize Image to 30KB

Accurately adjust image weight to 30KB.

Resize Image to 40KB

Compress photos to 40KB for web and form uploads.

Resize Image to 45KB

Tailor-made tool for portals with strict 45KB thresholds.

Resize Image to 50KB

The golden standard for employment forms and online KYC verification.

Resize Image to 75KB

Balance visual sharpness and bandwidth with 75KB optimization.

Resize Image to 100KB

The most popular size limit for corporate resumes and visa applications.

Resize Image to 200KB

High-resolution optimization for website banners and portfolios.

Resize Image in CM

Specify physical print dimensions in Centimeters with DPI calibration.

Resize Image in MM

Millimeter precision for stamps, identity badges, and micro documents.

Resize Image in Inches

Standard US print sizing in inches (2x2 passport, 4x6, 5x7, 8x10).

Reduce Image Size in KB

Dedicated low-bandwidth photo reducer to shrink file weight in KB.

Reduce Image Size in MB

Shrink large megabyte photos from DSLRs and smartphones.

Reduce Image to 100KB

Target 100KB file size with one click.

Reduce Resolution of Image

Downscale megapixels and display resolution for faster web rendering.

Resize Image for Printing

Resize photos to exact Centimeters (CM) with 100 DPI, CMYK color mode, and print exposure enhancements.

WebP Converter

Convert any image format to WebP or transcode WebP to JPG and PNG with high quality.

JPG to PDF

Convert JPG photos into a clean, professional, and downloadable PDF document.

PDF to JPG

Extract and convert PDF document pages into high-resolution JPG images.

Images to PDF

Combine multiple images in JPG, PNG, or WebP format into a single PDF file.

PDF to Image

Convert PDF pages into image formats like JPG, PNG, and WebP instantly.

JPG to PNG

Convert JPG images to lossless PNG format with transparent alpha channel support.

PNG to JPG

Convert heavy transparent PNG images to lightweight universal JPG format.

JPG to WebP

Convert JPG images to modern Google WebP format for 30% faster websites.

WebP to JPG

Convert WebP images into universal JPG format compatible with all devices and editors.

PNG to WebP

Convert PNG to WebP while strictly preserving alpha transparency and reducing size.

WebP to PNG

Convert WebP images to transparent, uncompressed PNG format.

JPG to AVIF

Convert JPG images to state-of-the-art AVIF format for 50% bandwidth savings.

PNG to AVIF

Convert PNG images to AVIF with transparency and ultra-low file weight.

AVIF to JPG

Convert AVIF images into standard JPG format for universal compatibility.

AVIF to PNG

Convert AVIF images to lossless PNG format with transparency support.

HEIC to JPG

Convert Apple iPhone HEIC and HEIF photos to universal JPG format online.

HEIC to PNG

Convert Apple iPhone HEIC photos to lossless PNG format with transparent backgrounds.

SVG to PNG

Convert vector SVG illustrations and logos into high-resolution transparent PNG images.

SVG to JPG

Convert vector SVG graphics to standard lightweight JPG images.

GIF to PNG

Convert GIF images and animated frames into high-resolution lossless PNG files.

GIF to JPG

Convert GIF images to universal lightweight JPG photos.

BMP to JPG

Convert uncompressed Windows Bitmap (BMP) images into lightweight JPG format.

BMP to PNG

Convert Windows Bitmap BMP images to lossless PNG format.

TIFF to JPG

Convert heavy high-resolution TIFF / TIF photos to standard lightweight JPG format.

TIFF to PNG

Convert print-grade TIFF images to lossless PNG format with alpha channel support.

Convert to JPG

Convert PNG, WebP, AVIF, HEIC, PDF, BMP, SVG, and TIFF files into universal JPG format.

Image Editing Tools Coming Soon

Visual crop, photo rotation, watermarks, and enhancement tools are actively being prepared.

Image Generation Tools Coming Soon

AI text-to-image creation tools and generative photo utilities will launch soon.

Security Tools Coming Soon

EXIF metadata scrubber, face blurring, and privacy-shield tools will launch soon.

Why ReducePhoto.com is the Best Online Image Resizer & Photo Optimizer

Finding a trustworthy photo resizer that does not upload your sensitive personal files to unknown third-party servers is critical. At ReducePhoto.com, we have revolutionized online image resizing by performing 100% of all pixel downscaling, contrast adjustment, and low image size target compression directly on your local device using high-performance HTML5 Canvas and multithreaded Web Workers.

100% Secure & Private

Your photos never leave your computer or phone. No uploads, no server storage, zero data leaks.

Exact Target KB Resizing

Need exactly 20KB for a passport or 50KB for an online exam form? Our smart algorithm hits your target file size within ±2% margin.

Batch ZIP Downloads

Select dozens of images at once. Process them in seconds and download all optimized files in a single clean ZIP archive.

Frequently Asked Questions (FAQs)

Select "Kilobytes (KB)" from the Resize Method dropdown, enter "20" or "50", upload your photo, and click "Resize Images Now". The tool automatically calculates the optimal compression ratio and resolution to hit your target file weight.
No. ReducePhoto.com utilizes high-precision bicubic downsampling algorithms and smart quantization. It removes unnecessary EXIF metadata and optimizes image entropy to keep the photo crisp and sharp.
Yes! Choose "Centimeters (cm)" from the dropdown or click our "Passport (3.5×4.5cm)" preset. The tool converts centimeters into 300 DPI high-definition print pixels for clear studio-quality printing.