Saved status
Sign in
Sign in to add this tool to your favorites.
Ratio
Calculate reduced aspect ratios and missing dimensions
Use width, height, and ratio values to reduce dimensions, solve one missing side, and sanity-check common image and video layouts.
Common presets
Recommendations
You Might Also Like
Nearby tools from the catalog that fit the same job or workflow.
Break-Even ROAS Calculator
Find break-even ROAS
Calculate break-even ROAS, max ad spend, and max CAC from one order economics.
Alt Text Cleaner
Clean alt text
Clean noisy alt text locally without turning it into an AI writing tool.
Article Schema Builder
Build article JSON-LD
Build Article or BlogPosting JSON-LD locally from practical content fields.
Canonical Tag Checker
Check canonical tags
Check canonical tags from pasted HTML or head markup locally.
Case Converter
Convert text casing
Convert pasted text between lowercase, uppercase, title, sentence, and swap case locally.
Color Format Converter
Convert CSS color formats
Convert one color between HEX, RGB, RGBA, HSL, and HSLA with a live swatch.
Saved and used
Account tracking for this tool
Save the tool to keep it easy to reopen from your account and favorites filter.
Rating
Rate this tool
Everyone can see the current score. Signed-in users can leave a 1 to 5 star rating, and any written review goes only to review@cleanor.app.
Aspect Ratio CalculatorCurrent rating
0.0
No ratings yet. Be the first to leave one.
How would you rate this tool?
Sign in to leave a public score from 1 to 5 stars. Optional written feedback is private and emailed only to review@cleanor.app.
This block mirrors the system review flow: score first, then an optional private note.
At a glance
What this tool section is for
A quick way to understand who this helps, what it solves, and where it connects next.
Best fit
Designers, developers, sellers, and content teams preparing images, video canvases, and listing assets.
Ideal for
Checking whether one canvas or export size matches the ratio you actually need.
Why it belongs here
Capture aspect-ratio-calculator intent with a numeric browser utility that complements the upload-based image tools.
Closest product path
Cleanor and Another You and Cleanor
Details
How this should help in practice
These sections explain the job in plain language and set expectations for what the tool should do well.
Why this belongs next to image tools
A lot of image and video prep work starts before any upload. This page handles the quick ratio math that people usually need first.
FAQ
Common questions
Short answers for the questions people usually have before trying a utility like this.
Do I need to upload an image?
No. This is a numeric utility only.
Can it solve a missing width or height?
Yes. Add a ratio and one dimension, and the matching side is calculated locally.
Access
Credits and account access
Browser tools stay credit-based across the ladder: guests get a small daily balance, signed-in users start with monthly browser and AI pools, and paid tiers expand both balances as usage grows.
Status
Checking access.
Available now
Balance details will appear as soon as the session finishes loading.
Upgrade path
Resolving the account ladder and current credit window for this browser.