SubmitSure
🔒 Your files never leave your device — every tool runs in your browser.

Get your application file ready in 3 steps.

Free, private file checker, compressor and resizer. No account. No upload.

Check my file Compress an image

1

Upload

Choose your photo, signature or PDF.

2

Check

See the real size, format and dimensions — PASS or FAIL.

3

Download

Fix it and download the ready file.

Choose a tool

File Checker

Check your file against the application's size and format rules.

Open File Checker

Image Compressor

Compress an image to an exact size, like 50 KB.

Open Compressor

Photo Resizer

Resize a photo to the exact pixels your form asks for.

Open Photo Resizer

Signature Resizer

Resize your signature to the exact size, e.g. 140 × 60 px.

Open Signature Resizer

PDF Checker

Check a PDF's file size and page count.

Open PDF Checker

Screenshot Reader

Read the rules from a screenshot and check your file against them.

Open Screenshot Reader

Batch Prep

Check and prepare many files at once.

Open Batch Prep

Guides — learn how, step by step

Short, plain guides for the exact problems people search for. Each one ends with the free tool that does the job.

Passport photo: 20–50 KB

Make a 200×230 JPG passport photo that portals accept.

Read the guide

Resize a signature

Make a clean 140×60 signature on a white background.

Read the guide

Check a PDF's size & pages

Measure a PDF, then shrink it when it is too large.

Read the guide

Compress to an exact KB

Hit a target like 50 KB without guessing and re-saving.

Read the guide

Resize a photo to 200×230

Resize any photo to exactly 200×230 pixels.

Read the guide

Why files get rejected

The 7 most common rejection reasons — and the fix for each.

Read the guide

Common questions

Do my files get uploaded?

No. Everything happens in your browser. You can check this in your browser's network panel — no request carries your file.

Is it really free?

Yes. All tools are free, with no account and no payment.

Does a PASS guarantee my application will be accepted?

No. A PASS means your file meets the rules you entered. Always confirm the current rules on the official application portal.