Compress image to 100 KB
The sweet spot for listings, résumés, email and the web — free, batch-friendly, and nothing is uploaded.
Drop images here
or click to browse — pasting a copied image works too
Drop a JPG, PNG or WebP — up to 20 files
100 KB: the everyday target
Where 20 and 50 KB are about passing strict forms, 100 KB is the practical target for everything else: marketplace and classified listings, photos in a résumé or portfolio, email attachments that should actually arrive, and images for a website that needs to load fast. At this size a photo keeps its detail at screen resolution, yet thirty of them still weigh less than one original off your phone.
Drop up to 20 images above — the target is preset to 100 KB. Each image gets an individual search for the highest quality that fits the budget, the before/after sizes are shown per file, and the whole batch downloads as one ZIP.
Where 100 KB images make the difference
- Selling online: listings with several fast-loading photos rank and convert better than listings where image three never finishes loading.
- Job applications: portals frequently cap the entire document upload at 1–2 MB. Compressed images leave room for the content that matters.
- Email: ten originals from a phone camera exceed most 25 MB attachment caps; ten 100 KB versions sail through and open instantly.
- Your own website: page speed is a ranking factor, and images are usually the heaviest thing on a page.
Dimensions still matter
The encoder divides your 100 KB across every pixel it has to describe. A 4000-pixel-wide original forced under 100 KB spreads the budget thin; resized to 1200–1600 px first — plenty for any screen use — the same budget produces a visibly cleaner image. If your photos are straight off a camera, a pass through the resize tool before compressing here gives the best results.
Frequently asked questions
- Will a photo still look good at 100 KB?
- Almost always, yes. 100 KB is a comfortable budget — a 1200 px photo at that size shows no visible artifacts at normal viewing distance. It's the sweet spot between the harsh 20–50 KB form limits and unnecessarily heavy originals.
- What's the best size for marketplace listing photos?
- Most marketplaces re-process your upload anyway, but a 100–200 KB photo at 1000–1500 px uploads fast and survives their processing well. Batch-compress all your listing photos here in one go and download them as a ZIP.
- Should images in a résumé or portfolio be 100 KB?
- Around there, yes. Recruiters open attachments on all kinds of connections, and several multi-MB images make a PDF sluggish. 100 KB per image keeps a portfolio under a few MB total without looking degraded.
- Can I compress 20 photos to 100 KB at once?
- Yes — drop them all in. Each photo gets its own search for the best quality under 100 KB, processing a couple at a time so your browser stays responsive, and the ZIP download bundles every result.
- Why not just use 50 KB to be safe?
- Use the smallest size your purpose actually requires. Halving the budget roughly doubles the visible compression effects, so if the limit is 100 KB there's no reason to give away quality aiming at 50.
More free tools
Compress
Make files smaller — by quality or an exact KB target- Compress imageShrink JPG, PNG or WebP photos with a quality dial or an exact size target.
- Compress JPEGReduce JPEG file size while keeping photos sharp.
- Compress to 20 KBGet signatures and small photos under a strict 20 KB cap.
- Compress to 50 KBHit a 50 KB upload limit for forms and applications — exact target.
- Compress to 200 KBMeet 200 KB caps for admissions, blogs and email without visible loss.
- Compress to 500 KBTame multi-MB originals to 500 KB while keeping near-full quality.
Convert
Change format without changing the picture- PNG to JPGConvert PNG screenshots and graphics into much smaller JPGs.
- JPG to PNGConvert JPG photos to lossless PNG files.
- WebP to JPGTurn WebP images into JPGs that open anywhere.
- JPG to WebPConvert JPGs to modern WebP for faster web pages.
- PNG to WebPShrink PNG graphics into WebP — transparency kept.
- WebP to PNGTurn WebP into lossless PNG for editing and uploads.
- HEIC to JPGOpen iPhone HEIC photos anywhere — converted in your browser.
Edit
Change dimensions, framing or orientation- JPG to PDFCombine images into one PDF — A4 pages or native size.
- PDF to JPGTurn every page of a PDF into a JPG image.
- Merge PDFCombine several PDFs into one, in the order you choose.
- Split PDFPull out page ranges or split a PDF into single pages.
- Unlock PDFRemove a password you know, or strip print and copy limits.
- Rotate PDFTurn every page 90°, 180° or 270° and save.