BlinkIMG

Compress image to 100 KB

The 100 KB cap is already set. Drop your image and it comes back at or under the number, guaranteed, with the most quality the budget allows. Built for job applications, ID cards and email attachments. Part of the image compressor, with your number as the hard ceiling.

Output format
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JPEG · PNG · WEBP · AVIF · HEIC · up to 50 at once · max 30 MB each

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PNG
JPEG
AVIF
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Advanced settings1 on
SmallerAutoBetter

Chosen automatically to hit your size cap.

A hard cap: at or under 100 KB, never over.

A floor for forms that refuse small files.

Max resolution

Empty side keeps the ratio. Never enlarges.

Every size target, one guarantee

A page for each number, arriving with the cap already armed. Under it, or a clear error, and never over.

In kilobytes

Image compressor

In megabytes

The generous caps

Your own number

Type any target

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Compress image to 100 KB, before: the original photograph, 9.8 MBOriginal · 9.8 MB
Compress image to 100 KB, after: the same photograph as AVIF, 97.1 KBAVIF · 97.1 KB
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The engine behind the cap, on a real photograph: 9.8 MB in, 97.1 KB out. Your file gets the same treatment with your size limit as the hard ceiling.

Compress to 100 KB

How to compress an image to 100 KB in 4 steps

Free, in your browser, with no sign-up. Each step below is the real tool on this page.

  1. Drop your photos

    Up to 10 JPG, PNG, WebP or HEIC files. The 100 KB cap is set.

    The Blinkimg drop box, ready for photos

  2. Keep the cap, or not

    Every file lands at or under 100 KB. Change the number any time.

    Advanced settings with the maximum file size set to 100 KB

  3. Compare the result

    See each measured size, then drag the slider to check the look.

    A photo before and after in the compare slider, with both sizes

  4. Download one ZIP

    Take each file on its own, or all of them together in one ZIP.

    Five compressed files with a Download all as ZIP button

Free, no sign-up

The best way to compress an image to 100 KB

A hard 100 KB cap, every result measured to the byte, and nothing kept after you leave.

  1. One photo before (543 KB) and after (98.4 KB) a 100 KB cap

    Fast and easy

    Compress a photo to 100 KB in seconds

    This photo went from 543 KB to 98.4 KB, under 100 KB and still sharp.

Why this tool

Compress image to 100 KB, measured to the byte

Every size on this page is a file the engine wrote.

  1. Compress images to 100 KB, ten at a time: the real tool on this page

    Batch

    Compress images to 100 KB, ten at a time

    Drop up to 10 photos and every one lands at or under 100 KB. Each file shows its own measured size.

  2. Resize an image to 100 KB without visible loss: the real tool on this page

    Quality

    Resize an image to 100 KB without visible loss

    This photo went from 576.8 KB to 99.7 KB. Check any file at full size before you keep it.

  3. At or under 100 KB, never over: the real tool on this page

    Exact size

    At or under 100 KB, never over

    A hard cap: the engine finds the best quality that fits. A floor setting stops files coming out too small.

    Reduce image size in KB

How to compress an image to 100 KB, at or under the number

A 0 to 120 KB scale with the 100 KB cap marked: our 9.8 MB camera photo landed under it at 97.3 KB. The cap is 100,000 bytes, and the result is at or under it, never over.

Drop your image: the 100 KB cap is already armed, and the result comes back at or under 100,000 bytes, never over. EXIF and GPS come off every output, and files are wiped automatically. How the search trades quality against pixels, and the camera photo at every cap, are on the compress image to 50 KB page. Pixels the real problem? Resize image. The portal dictates the crop too? Crop image.

Compress an image under 100 KB: two real files, measured

SourceCapResultDimensionsNote
Reference photo100 KB99.7 KB1920×1280quality search alone
Camera photo100 KB97.3 KB4964×2782quality search alone

Sources: photo.jpg, 576.8 KB at 1920×1280, and source.jpeg, 9.8 MB at 4964×2782.

Every byte count is the size of the actual file our engine produced from the named source, the same bytes you would download, not an estimate. The reference photo is one of our own photographs, an iguana on a branch, and the camera photo is a real one too. Drop your own file into the tool above to rerun any of them. How we measure names the sources and the settings.

The 100 KB jobs: applications, ID cards, KYC and email

Our 576.8 KB reference photo, a JPEG, becomes 99.7 KB under the 100 KB cap, keeping its full 1920×1280 dimensions and most of its visible quality. Fifty attachments take the same cap in one batch and come back as one ZIP.

One hundred kilobytes is the workhorse cap: job-application portals, KYC document uploads, ID-card photos, school admission systems, and every "attachment too large" email bounce. It is also the friendliest target. Our reference photo kept its full 1920×1280 dimensions and most of its visible quality at 99.7 KB. You have to study the compare slider to find the difference. Batches work the same way: fifty attachments under one cap, one ZIP back. If your portal says 100 KB, this page is the whole errand. Drop, download, upload.

Image compressor to 100 KB, photo compressor to 100 KB, resize image to 100 KB: one page

8 ways forms and searches name one job, from image compressor to 100 KB and photo compressor to 100 KB to JPG 100 KB and less than 100 KB, all arriving at one page: compress to 100 KB, never over.

Image compressor to 100 KB, photo compressor to 100 KB, resize image to 100 KB, 100 KB converter, JPG 100 KB, 100 KB photo size: one job, a file at or under 100 KB. Compress image to, in, under, below or less than 100 KB: this page, with the cap armed.

What does “100 KB photo size” mean?

The file’s weight on disk, not its pixels: a JPG at or under 100 KB. When a portal also rules on pixels, it states them separately, in px or cm, and the crop tool’s presets cover that rule.

Questions, answered

The cap is already armed above. One drop settles most of these.

Will the result be exactly 100 KB, or under it?

At or under, never over: that is the whole guarantee. The search maximises quality within the budget, so a result lands close beneath the cap when the image needs the room and further under when it does not. Under this page's 100 KB cap our 9.8 MB camera photo came back at 97.3 KB and our 576.8 KB reference photo at 99.7 KB. The readout under each result prints the exact bytes.

Does reducing the dimensions help an image compress to 100 KB?

Enormously: pixels are what bytes pay for. Under this 100 KB cap our 9.8 MB camera photo kept all 4964×2782 pixels and landed at 97.3 KB, so quality alone paid for the bytes. For a tight target, set Max resolution in Advanced settings yourself: it gives the quality search far more room to keep the face sharp. The engine shrinks a picture on its own only when the cap demands it.

What do "compress image in 100 KB", "compress image less than 100 KB", "100 KB converter" and "JPG 100 KB" mean?

The same thing portals ask for in their own words: a file that comes out as a JPG at or under 100 KB. This page is that converter. It preselects JPEG output, arms the 100 KB cap, and prints the exact bytes beside the result, so the words on the form and the file you upload finally agree.

Will a JPG compress to 100 KB and still work as an ID or KYC photo?

Comfortably. 100 KB carries a full-resolution document or ID photo with visible quality to spare. Our 576.8 KB reference photo landed at 99.7 KB with dimensions untouched. Save your worry for tiny caps. At 100 KB, the compare slider usually shows a difference you have to hunt for.

How do I compress a photo to 100 KB for email?

Same flow: the cap does not care where the file is headed. Fifty attachments fit in one batch. Each is guaranteed under the cap, and you download them together as one ZIP. A 25 MB inbox limit suddenly fits an entire folder of photos.

Should I pick 100 KB or just use Auto quality?

If a system gave you the number, use the number. The cap guarantees compliance. If nothing demands a size, Auto usually lands smaller than you expect anyway, and it never risks quality on an arbitrary budget. The cap is for rules. Auto is for judgement.

How do I compress a JPEG to 100 KB?

Drop it with the cap armed; a JPEG is the friendliest input. The engine re-encodes it at the highest quality that fits under 100,000 bytes and keeps the dimensions whenever it can. Our 9.8 MB camera photo came back at 97.3 KB with all 4964×2782 pixels, 101 times smaller with nothing cropped or shrunk. Our 576.8 KB reference photo landed at 99.7 KB at its 1920×1280. The readout under the row prints the exact bytes.

How do I compress a photo to below 100 KB, not just to it?

The cap is a ceiling, so every result is already below it: 97.3 KB for our 9.8 MB camera photo, 99.7 KB for our reference photo. The trap is the unit: a checker counting 1,024-byte kilobytes reads a file of 100,000 bytes as 97.7 KB, still under, and a portal that re-encodes your upload measures its own output. For a margin under a "less than 100 KB" rule, type 90 as the Max file size.

Which forms want a JPG under 100 KB?

India's GST registration guide wants the photograph of the promoter or authorised signatory as a JPEG of at most 100 KB. IGNOU's July 2026 admission portal wants the passport photograph and the signature each as a JPEG under 100 KB. UPSC's instructions put the three-signature file between 20 and 100 KB. Each of those is a ceiling a 100 KB cap meets, and the readout under the result shows you the exact bytes before you upload.

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    Ready when your 100 KB deadline is

    Drop the file above. The cap is set, the guarantee holds, the portal accepts.

    Compress to 100 KB