Image Compression

50 resources

Images are usually the heaviest part of a page, so compression is one of the cheapest performance wins. This category lists online compressors like TinyPNG, Squoosh and Compressor.io, SVG optimizers like SVGOMG, bulk resizers, EXIF removal tools, and a large number of browser-based tools that compress to an exact target file size.

Squoosh, from Google Chrome Labs, is the best tool for learning: it shows the original and compressed versions side by side and lets you compare codecs such as MozJPEG, WebP and AVIF at different quality settings. TinyPNG is quick for batches of PNG and JPEG files. For vector files, SVGOMG wraps SVGO in a visual interface and strips editor metadata and redundant path data.

Many entries now process images entirely in the browser using WebAssembly, which keeps private files on your device and works offline. For production sites, automate compression in your build or image pipeline instead of compressing by hand, serve modern formats like WebP or AVIF with a fallback, resize to the largest size actually displayed, and strip EXIF data that can include location information.

TinyPNGtinypng.com

Smart PNG and JPEG compression

ToolKnit Image Compressortoolknit.com

Free client-side batch compressor for JPG, PNG and WebP with quality presets or exact target sizes. Files are not uploaded.

Free

CompressMyPhotoscompressmyphotos.com

Free browser-based JPG, PNG and WebP compression with exact target sizes, batch downloads and EXIF removal

Free

Optimizillaimagecompressor.com

Online JPEG and PNG optimizer / compressor with settings and archive download

Squoosh.appsquoosh.app

Image compression from Google Chrome Labs

Asset Meltassetmelt.com

Free browser-based image compressor & converter with batch processing, size budgets and AVIF/WebP/JXL/MozJPEG/Oxipng codecs (runs fully in the browser)

Free

Image Compressor & Convertercodequest.work

Compress and convert images between JPG, PNG, WebP, AVIF, and SVG, with resizing and automatic EXIF removal. Runs entirely in the browser.

BulkResizePhotosbulkresizephotos.com

Bulk image resizing, compression & converting that perform all the tasks within the browser (It works offline)

iLoveIMGiloveimg.com

The fastest free web app for easy image modification

Free

image-resizer.netimage-resizer.net

Fast Online Image Resizer & Optimizer – Resize Images Without Uploading to Any Server

S

SvgOMGjakearchibald.github.io

Online SVG optimizer with a lot of settings and possibility to cut and paste svg code directly in it.

CompressJPEGcompressjpeg.com

Compress JPEG images with size even greater than 5MB

I

Image Optimizerimageoptimizer.net

Image Optimizer Free With Quality Options

Free

SVGminifysvgminify.com

This tool removes superfluous information, thereby reducing the size of your SVG files

Image Compressornasrtech.dev

Free browser-based image compressor for JPG, PNG and WebP — runs 100% client-side, nothing is uploaded

Free

JPEG Optimizerjpeg-optimizer.com

Free online tool for resizing and compressing digital photos and images for displaying on the web

Free
Q

QuickTiny Compress Imagequicktinyv2.vercel.app

Free, no-signup image compressor that runs entirely in the browser, no upload to a server

Free

EZGifezgif.com

Animated GIF maker and Image editor including Image optimization and supports WebP conversion

OnlinePngtoolsonlinepngtools.com

Resize png for without losing transparent background.

V

Verexifverexif.com

Remove meta tags in image in order to reduce image size and increase privacy security

PhotoReducerphotoreducer.com

Compress images to an exact file size (e.g. under 100 KB), resize and convert JPG, PNG, WebP, AVIF & HEIC — runs fully in the browser via WebAssembly, so photos are never uploaded

Vecta Nanovecta.io

Uses lossless compression to compress inefficient SVG codes by removing unnecessary data. (Free & Paid)

Free

Watermarklywatermarkly.com

Private, client-side compression of JPEG images. The app does not send images to a server for processing.

Jpeg.iojpeg.io

Convert any major image format into a highly optimized JPEG

CompressImage.iocompressimage.io

Compress JPG and PNG images. No Limits. Bulk Conversion. Convert to WebP. Works Offline

JPEG Compressorjpegcompressor.com

free image compressor tool and it support JPEG, PNG, SVG, JPG, WEBP and GIF.

Free

Image Resize AIimageresizeai.com

A 100% free & private (no upload) toolkit to resize, compress, crop, convert, and bulk image resizer. it support JPEG, PNG, SVG, JPG, WEBP and more.

Free

PNG Compressor99tools.net

A fast and simple PNG Compressor that reduces image file size without noticeable quality loss. Optimize PNGs instantly in your browser—no uploads, secure, and developer-friendly.

Vaultool Image Compressorvaultool.com

Free client-side image compression for JPEG, PNG and WebP with adjustable quality. Files are not uploaded.

Free

PixHeicpixheic.com

Free browser-based HEIC toolkit for batch conversion to JPG, PNG, WebP, and PDF. Files are processed locally with no uploads.

Free

DevTransformdevtransform-hub.vercel.app

Fast, client-side browser image compression and format conversion (PNG, JPEG, WebP) with zero server uploads.

Narqonarqo.com

Compress images to a target file size, convert HEIC to JPG, crop and resize. Everything runs in the browser, no upload and no sign-up.

No signup

EasyPNGamanghuman.com

Free, 100% offline, client-side image compressor and converter for WebP, JPEG, PNG, and AVIF with zero server uploads and no file limits.

Free

SammaPixsammapix.com

Compress JPG, PNG and WebP directly in the browser via Canvas and WebAssembly. No upload, no account. Part of a 51-tool suite (HEIC/WebP/JXL conversion, RAW, EXIF removal).

No signup

Image Machineimagemachinery.net

Compress to an exact target file size (10 KB up to 5 MB), plus convert (AVIF, WebP, JPEG XL, HEIC, PSD), resize, and GIF optimisation. Runs entirely in the browser through WebAssembly, so files are never uploaded.

Compress Image to Target Sizeabox.tools

Compress a JPEG, PNG or WebP down to an exact file size — 100 KB, 2 MB, whatever the upload limit is — instead of guessing at a quality slider. Runs entirely in the browser, nothing is uploaded, and it works offline. Free and open source.

FreeOpen source

frisqoo Compress Imagesfrisqoo.com

Compress JPG, PNG and WebP images in the browser. Files are processed in the browser and are not uploaded.

UseCOS Photo Resizerusecos.app

Fast client-side image resizer and compressor with exact KB targets (50KB, 100KB, 200KB) and aspect ratio presets. Runs 100% in-browser with zero uploads.

Refentrarefentra.com

Compress JPEG or WebP toward a chosen KB or MB limit locally, and check the actual output size before downloading. No file upload.

YangSpec Image Attachment Helperyangspec.com

Free browser-based JPG/PNG attachment preparation with maximum file size and dimensions, before/after previews, and optional resizing. No signup; files are processed on-device.

FreeNo signup

Quick Image Kitquickimagekit.com

Free browser-local compressor with exact target-KB output, plus resize, convert, crop and favicon tools; images are processed in the browser and never uploaded

Free

SciZonescizone.dev

Free batch converter to WebP and AVIF that runs fully in the browser. JPG, PNG, HEIC and TIFF input, 1000+ files at once, nothing is uploaded

Free

Toolars Image Compressortoolars.com

Free image compressor with target-size and quality controls for JPEG and WebP output.

Free

PixVibe Image Compressorpixvibe.ai

Free image compressor with a target file size in KB or a fixed quality, output as JPG, PNG, WebP or AVIF. Runs in the browser, so images are not uploaded.

Free

AI Lab Basic Image Compressorailab.packscena.com

Free browser-local JPG, PNG and WebP compression to WebP; no account or credits, with a 5MB input limit and 1600px maximum output edge.

FreeNo signup

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