Plain-language guides to compressing, converting, resizing, and protecting your images — all backed by the free, private tools on this site.
Get any photo under 100KB while keeping it sharp. A simple resize-then-compress method that works free and entirely in your browser.
Read guide →A plain-English comparison of JPG, WebP, and AVIF — file size, quality, browser support, and which to actually use in 2025.
Read guide →The exact pixel dimensions for Instagram posts, YouTube thumbnails, and LinkedIn — plus how to resize for free without losing quality.
Read guide →Most online converters upload your images to a server. Here's what really happens to your files, the risks, and how to tell if a tool is truly private.
Read guide →Why 80% JPEG quality is the compression sweet spot — how it works, when to go higher or lower, and how to see the difference yourself.
Read guide →Compress and convert entire folders of images in one go, download them as a ZIP, and keep every file private — all in your browser.
Read guide →Photos too big to email? Shrink them under common attachment limits without emptying the quality, free and privately in your browser.
Read guide →Stamp your own text watermark onto photos in batch — free, private, and ironically with no watermark added by the tool itself.
Read guide →Convert JPG to PNG the right way. Understand what PNG can and can't recover, and when the switch actually makes sense.
Read guide →Convert PNG, JPG, and HEIC right from your phone's browser — no app install, no upload, completely private.
Read guide →Transparent PNGs explained simply — how alpha transparency works, why JPG destroys it, and how to preserve it when converting.
Read guide →Screenshots save as huge PNGs by default. Convert them to JPG to shrink the file dramatically for sharing and email.
Read guide →Rename a whole batch of images with a clean numbered pattern as you convert — no separate renaming tool needed.
Read guide →PNG files can balloon to many megabytes. Here's why it happens and the fastest ways to shrink them.
Read guide →Understand the difference between lossy and lossless image compression — what each does, and which to choose for any image.
Read guide →Photos carry hidden EXIF data like GPS location and device info. Here's what conversion does to it and why it matters for privacy.
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