Tag any photo with the resolution your print shop requires
Change Image DPI to 300. Tag any photo with the resolution your print shop requires. Set your image DPI to 300, 150 or any value your printer asks for. Pixel dimensions stay identical, and the whole thing runs privately in your browser. Every conversion runs entirely inside your browser using the Canvas API and (where needed) heic2any, so your photos never touch our servers and stay completely private. Batch-convert hundreds of files at once, fine-tune output quality, resize on the fly and download the results as a single ZIP. There is no signup, no watermark and no daily limit — just a fast, free tool that works on Windows, macOS, Linux, iOS and Android. Whether you need to attach images to email, prepare product photos for Etsy, eBay or Amazon, fix HEIC files exported from an iPhone, shrink screenshots before uploading or convert WEBP to a more compatible format, the right workflow is one click away. Common topics covered here include change dpi, change image dpi to 300, 300 dpi converter, set dpi online, dpi changer.