Canva Won’t Let You Resize.
We’ll Validate It AND Fix It — Free.
Upload your design, see exactly where the safe zone falls on every platform, and if the dimensions are wrong — fix and download the correctly sized version instantly. No Canva Pro. No third-party tools. One site, everything you need.
Get the Free Ad Size Cheat Sheet
Every platform dimension and safe zone on one page — updated quarterly. Enter your email and we’ll send it straight to you.
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Over 239 million people use Canva on the free plan. Every single one hits the same walls.
“Magic Resize is a Pro feature”
You designed an Instagram post. Now you need a Facebook version. Canva says upgrade — or start over from scratch.
Your text gets cropped by the platform
You upload your ad and the platform’s buttons, username, or caption bar covers your headline. Your creative is wasted.
“What size should this even be?”
Meta, TikTok, Pinterest, LinkedIn — every platform has different dimensions and safe zones. Memorising them all is impossible.
Your image is the wrong pixel size
You upload to the ad platform and get an error: “Image must be 1080×1080px.” You have to go back, resize, re-export, and try again.
Wrong size? Fix it right here
Most sites just tell you the problem. Ours fixes it. Upload your image, see the error, click Fix & Download — done in seconds.
Know Which Tool You Need
We have two distinct types of free tools. Here is the difference so you go straight to the right one.
See How Your Design Looks on the Platform
Upload your image and the tool overlays the platform’s exact safe zone boundaries — the areas that will be covered by the platform’s own UI (buttons, captions, navigation bars, username labels).
- Visual overlay on your actual uploaded image
- Shows exactly what the platform will cover
- Covers Facebook, Instagram, TikTok, LinkedIn, Snapchat & more
- No resizing — purely visual validation
Check the Pixel Dimensions — and Fix Them Instantly
Upload your image and the tool checks whether the pixel dimensions are exactly correct for the ad format. If the size is wrong, it shows you the detected size vs. the required size — and fixes it on the spot.
- Detects your image’s exact pixel dimensions
- Shows detected size vs. required size
- “Fix Image Now” button sends you to the pre-loaded fixer
- Click “Fix & Download” — correctly sized image ready instantly
From Upload to Correctly Sized Ad — in Minutes
The full workflow from Canva export to platform-ready ad, using only free tools on this site.
Choose your tool
Use a Safe-Zone Validator to check your design visually, or an Ad Size Validator & Fixer to check and correct pixel dimensions.
Export from Canva & upload
Export your design from Canva as a PNG or JPG, then upload it directly into the tool. No account needed, no watermarks.
See the result instantly
Safe-Zone tools show the overlay on your image. Ad Size tools show whether your dimensions match the required spec — with the exact detected size displayed.
Wrong size? Click “Fix Image Now”
If the size is incorrect, click the Fix Image Now button. You are taken directly to the Ad Size Validator & Fixer, pre-loaded with the correct dimensions for that format.
Fix & Download
Upload your image once more, click “Fix & Download as [size]px”, and your correctly sized ad is ready to use — all without leaving this site.
Required: 970×90px
Pick Your Platform. Validate or Fix Your Design.
Every tool below is free, interactive, and works with any image you export from Canva. No watermarks, no sign-up, no limits. Green = Ad Size Validator & Fixer. Teal = Safe-Zone Validator.
Facebook Cover Photo Safe-Zone Validator
Upload your cover image and see the exact safe zone overlay for Profile, Group, and Event covers — all three crop differently on mobile vs. desktop.
Open Validator →Facebook Event Cover Safe-Zone Validator
Upload your event cover and see the 1920×1005 safe zone overlay. Instantly check your event title and CTA are never cropped.
Open Validator →Instagram Image Safe-Zone Validator
Upload your image and see the safe zone overlay for Feed, Portrait (4:5), and Square formats — including what Instagram crops in the profile grid.
Open Validator →Instagram Portrait 1080×1350 Validator & Fixer
Checks your image is exactly 1080×1350px. If not, the Fix Image Now button opens the pre-loaded fixer so you can correct and download instantly.
Open Validator →TikTok 1080×1920 Validator & Fixer
Checks your video/image is exactly 1080×1920px. TikTok’s UI covers a large portion of the frame — validate the size and fix it here if needed.
Open Validator →LinkedIn Banner Safe-Zone Validator
Upload your LinkedIn banner and see the safe zone overlay. LinkedIn profile banners crop differently on mobile — check before you publish.
Open Validator →Snapchat 1080×1920 Safe-Zone Validator
Upload your Snapchat Story Ad and see the safe zone overlay for the CTA button and top navigation areas before your ad goes live.
Open Validator →160×600 Wide Skyscraper Validator & Fixer
Checks your banner is exactly 160×600px. One of the highest-CTR display formats — get the dimensions right before submitting to ad networks.
Open Validator →970×90 Large Leaderboard Validator & Fixer
Checks your leaderboard banner is exactly 970×90px. A premium display placement — validate and fix the dimensions right here before submission.
Open Validator →Validators & Fixers Available for Every Major Platform
Your Free Toolkit Doesn’t Stop at Safe Zones
Web Banner Experts is a complete free toolkit for anyone running ads on a budget. Alongside the 50+ validators and fixers, you also get these free marketing and design tools — no account required.
True Profit & ROAS
Analyse net profitability by factoring in COGS, shipping, and platform fees.
Launch Tool →CPM & Traffic Planner
Project reach and total clicks based on your budget and industry benchmarks.
Launch Tool →A/B Significance Tester
Determine mathematical significance to find your winning ad variant.
Launch Tool →Conversion Colors
Check contrast ratios and find high-converting colour palettes for your ads.
Launch Tool →Affiliate Projector
Compare payouts and project income based on EPC and traffic estimates.
Launch Tool →Button Generator
Design high-converting CTA buttons with custom styles and exportable CSS.
Launch Tool →Palette Generator
Enter one brand colour and get four professional ad-ready palettes instantly.
Launch Tool →Never Get the Size Wrong Again
Get the free 2026 Master Ad Size & Safe-Zone Cheat Sheet — every platform dimension on one page, updated quarterly.
- Exact pixel dimensions for 8 platforms and 50+ ad formats
- Safe zone measurements for every format — what to avoid and why
- Quarterly update alerts when any platform changes its dimensions
- 100% free — no credit card, no catch
No spam. Quarterly updates only. Unsubscribe any time.