Compare upload limits
Convert between bytes, KB, MB and GB when checking CMS upload caps, hosting limits, email attachments, CDN rules or API file requirements.
Free Tool
File Size Converter for Smarter Website Decisions
Compare file size units quickly for uploads, media optimization, hosting limits and client handoffs.
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What It Checks
Focus Areas for This Tool
These are the signals I would review manually when deciding what needs fixing first.
01
Bytes
Review this area to understand whether it is helping or hurting growth.
02
KB and MB
Review this area to understand whether it is helping or hurting growth.
03
GB and TB
Review this area to understand whether it is helping or hurting growth.
04
Copyable output
Review this area to understand whether it is helping or hurting growth.
Optimization Guide
How This Tool Helps Before Publishing
A little context makes the numbers more useful. Use these notes to understand where this tool fits inside content, SEO and website reviews.
Plan media optimization
Quickly translate image, video and document sizes into the unit your optimization checklist, client brief, analytics export or platform report uses.
Use binary storage units
The converter uses 1024-based steps, so each KB is 1024 bytes and each larger unit follows the same binary storage scale.
Private browser-based conversion
The calculation, row copy and text download actions run locally in your browser, so no file names, private assets or size data need to be uploaded.
FAQs
Frequently Asked Questions
Quick answers about how this tool works and when to use it.
It converts one entered size between bytes, KB, MB, GB, TB and PB.
KB means 1024 bytes in this converter. MB, GB, TB and PB also use 1024-based steps.
Yes. Copy all converted values as a text list, or copy a single unit from its result card.
No. You only enter a number and unit, and the conversion runs locally in your browser.