ShrinkTo Blog
Practical, no-fluff guides on compressing images, shrinking PDFs, file formats and privacy - for everyone who works with files.
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How to Compress a Photo to 20 KB or 50 KB for Online Application Forms
Portal rejecting your photo? Compress any photo to exactly 20 KB or 50 KB free in your browser. Resize, hit the exact size, and pass every upload check.
CompressionHow to Compress Images Without Losing Quality (Complete 2026 Guide)
Learn how to compress JPG, PNG and WebP images without losing quality. Free in-browser method, exact-KB targeting, no upload. Step-by-step 2026 guide.
FormatsWhat Is a HEIC File? (And How to Convert iPhone Photos to JPG)
HEIC photo won't open or upload? Learn what Apple's HEIC format is, why Windows and portals reject it, and how to convert HEIC to JPG free in your browser.
PDFHow to Merge PDF Files Into One Document (Free, No Upload Needed)
Combine multiple PDF files into one document free - no Adobe, no upload, no limits. Merge, reorder, add scans and photos, and keep the final file small.
FormatsJPEG vs PNG vs WebP vs AVIF: Which Image Format Should You Use in 2026?
JPEG vs PNG vs WebP vs AVIF compared: file size, quality, transparency and browser support. Find the best image format for web, email and design in 2026.
PDFHow to Compress a PDF to 100 KB or Less (Free, No Upload)
Compress a PDF to 100 KB, 200 KB or any exact size for free. Works in your browser with no upload - perfect for job portals, forms and email. Step-by-step.
ComparisonBest free iLovePDF, Smallpdf & TinyPNG alternatives in 2026
Looking for a private, unlimited, no-signup alternative to the big file tools? Here's what to look for - and a strong option.
FormatsHEIC to JPG: convert iPhone photos for any platform
HEIC keeps iPhone photos small, but not every app accepts it. Here's how to convert to universal JPG without uploading.
WebCompress images for faster websites & better Core Web Vitals
Images are usually the heaviest thing on a page. Here's how to compress them for great Largest Contentful Paint without hurting quality.
PrivacyWhy browser-based file tools are more private than upload-based ones
If a tool uploads your files to its servers, you've already lost control of them. Here's why in-browser tools are fundamentally more private.
PDFHow to shrink a PDF for email attachment limits (Gmail, Outlook)
Hit Gmail's 25 MB and Outlook's 20 MB limits by compressing your PDF in the browser - no upload required.
CompressionHow to compress an image to an exact file size (complete guide)
A practical guide to hitting an exact KB target - 20 KB, 100 KB, 1 MB - without trial and error, and without uploading your photos.