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File Upload Limit Checker: Does Your File Meet Portal Requirements?

Drop any file to instantly check its size against common upload limits. Gmail caps attachments at 25MB, Outlook at 20MB, and most visa and university portals at 2MB.

Check a file size → Read compression guides

No uploadsRuns in your browser

Clear planExact reduction needed

FastWorks on phone & desktop

Common limits (quick reference)

Email attachment (typical)25 MB
Job / scholarship portals (common)2MB to 10MB
Visa / admissions forms (common)1MB to 2MB
Strict upload widgets200KB to 500KB

Limits vary by portal : this tool tells you exactly what to target.

1) Drop a file to check its size

We only read the file metadata to calculate size. Nothing is uploaded.

Drag & drop a file here

or tap to select (PDF, JPG/PNG, DOCX, PPTX, etc.)

Popular tool hubs

PDF Toolsmerge, split, rotate, extract, watermark Image Toolscompress, crop, watermark, convert Office ToolsCSV/JSON converters + text to PDF/DOCX Guidesstep-by-step fixes for real upload limits

Upload Limit Checker: Instantly See If Your File Meets Portal Size Requirements

Nothing is more frustrating than completing a long application form, attaching your documents, clicking Submit : and getting a file size error. This tool checks your file size against common upload limits instantly, before you attempt an upload anywhere.

How to use the upload limit checker

Drop your file into the checker : it reads only the file size metadata, never the file content.

See the file size displayed instantly in KB and MB.

Compare against common limits : the tool shows whether your file passes the most common portal thresholds.

If it fails : use the linked tools to compress, split, or convert your file to bring it under the limit.

Common upload size limits by platform type

University and scholarship portals: 2 MB, 5 MB, or 10 MB per file (varies by institution)

Visa and embassy applications: 1 MB or 2 MB per document (strict enforcement)

Job application portals: 2 MB to 10 MB (some accept up to 25 MB)

Gmail email attachment: 25 MB total per message

WhatsApp document: 2 GB (16 MB for standard media)

Google Drive: 5 TB (but links in emails can't exceed 25 MB before requiring Drive)

Government portals (HMRC, NHS, Home Office): typically 2 MB to 10 MB

What to do if your file is too large

PDF too large? → Compress PDF

Image too large? → Compress Image

Need to split the file? → Split PDF

Need to remove unnecessary pages? → Delete Pages

Word document too large? → See our Word document size fix guide

Frequently asked questions

Does this tool upload my file?

No. The file size is read entirely by your browser without the file ever leaving your device. This tool accesses only the file's metadata, not its content.

Why do portals reject files that are close to the limit?

Many portals enforce limits on the raw binary file size, not the size shown in your operating system (which may use base-10 MB). A file showing 9.9 MB in Windows may exceed a "10 MB" limit on a portal using binary measurement. Aim to keep files 5% to 10% under the stated limit to be safe.

Related tools

This page includes detailed SEO-friendly information explaining how this tool works, recommended settings, and optimization workflows for best results.

These tools are part of the wider Compress It Small hub, so you can jump back to the homepage at any time to discover image, office, and workflow guides that complement your PDF tasks.