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Browse all tools- Article
1080p vs 1440p: Pixel Count, Sharpness and GPU Load
Compare Full HD and QHD monitor resolutions by pixels, scaling, performance and practical screen-size considerations.
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1080p vs 4K: Pixels, Viewing Distance and Real-World Tradeoffs
Compare Full HD and 4K UHD by pixel count, display conditions, editing load, bitrate and storage before choosing a format.
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1440p vs 4K: Resolution, Scaling and Performance Compared
Compare QHD and 4K UHD monitor resolutions by pixel count, desktop scaling, graphics load and suitable use cases.
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2K vs 4K Resolution: Cinema Standards and Monitor Labels
Compare true DCI 2K and 4K with the looser 1440p and UHD marketing labels commonly used for monitors and video.
- Article
4×6 Photo Dimensions: Inches, Centimeters, Ratio and Pixels
Find the exact dimensions and 3:2 aspect ratio of a 4×6 photo, including pixels for 150, 240 and 300 PPI printing.
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5×7 Photo Dimensions: Ratio, Centimeters and Print Pixels
Check 5×7 photo dimensions, its 5:7 aspect ratio and the pixels required for common print densities.
- Article
720p vs 1080p: Resolution, Pixel Count and File Size
Compare 1280×720 and 1920×1080 video, including pixel count, scaling, bandwidth and when each resolution makes sense.
- Ratio guide
Amazon Product Image Size and Aspect Ratio
Use the 2000 × 2000 Amazon Product Image working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Tool
Anamorphic desqueeze calculator
Calculate anamorphic desqueeze resolution and aspect ratio for 1.33x, 1.5x, 1.6x, 1.8x, 2x or custom squeeze. Preview shapes and copy an FFmpeg command.
- Tool
Aspect Ratio Calculator
Calculate aspect ratio from width and height, or find a missing dimension for any ratio. Free 16:9, 9:16, 4:3 and custom calculator.
- Tool
Aspect Ratio Converter
Compare a no-crop canvas with the largest centered crop for a new aspect ratio. Calculate framing dimensions without editing your image or video.
- Tool
Aspect ratio crop calculator
Calculate crop dimensions, pixels removed and image or video area lost when changing aspect ratio. Free visual crop calculator with no upload.
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Aspect ratio guides
Explore 17 common aspect ratios with interactive calculators, exact pixel sizes, crop guidance and practical uses for photos, video, cinema and displays.
- Article
Aspect Ratio vs Resolution: What Each Number Actually Means
Learn the difference between aspect ratio and resolution and how both affect framing, sharpness, file size and export decisions.
- Article
Bleed, Trim and Safe Area for Print Files
Understand bleed, trim size and safe area, calculate the full artwork canvas and prevent white edges or clipped content in print.
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Can a Low-Resolution Image Make a Good Large Print?
Evaluate whether a small image can work as a large print using supplied PPI, viewing distance, source quality, crop and proofing.
- Article
Common Aspect Ratios for Photos, Video, Screens and Social Media
A practical reference to common aspect ratios, their exact shapes and the situations where each format is normally useful.
- Article
Constant vs Variable Bitrate: File Size and Quality Explained
Compare CBR and VBR for streaming, recording and file delivery, including size prediction, quality allocation and peak-rate constraints.
- Article
Crop vs Letterbox: Which Video Framing Method Should You Use?
Compare cropping and letterboxing with exact geometry, composition tradeoffs and a practical decision process for video delivery.
- Article
Cropping vs Resizing an Image: What Actually Changes?
Understand how cropping and resizing affect composition, aspect ratio, pixel dimensions and quality so you can choose the correct operation.
- Ratio guide
Desktop Wallpaper Size and Resolution Guide
Match wallpaper to the monitor's native resolution, plan multi-screen layouts and avoid blur, stretching or unintended crops.
- Article
DPI vs PPI: The Difference for Images, Screens and Printing
Understand DPI versus PPI, which value belongs in image calculations and why changing metadata alone does not add detail.
- Ratio guide
Etsy Listing Photo Size and Aspect Ratio
Use the 2000 × 2000 Etsy Listing Photo working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
Facebook Cover Photo Size and Aspect Ratio
Use the 1640 × 624 Facebook Cover Photo working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
Facebook image and video sizes
Choose Facebook sizes by placement, compare aspect ratios, calculate dimensions and prevent accidental crops with reviewed source guidance.
- Ratio guide
Facebook Story Size and Aspect Ratio
Use the 1080 × 1920 Facebook Story working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Article
Fit, Fill, Crop or Stretch: How Video Framing Methods Differ
Understand fit, fill, crop and stretch behavior using exact examples so video reaches a new frame without accidental distortion.
- Collection
Free image size and ratio tools
Choose image tools to inspect dimensions, plan crops and print sizes, generate responsive HTML or calculate wallpaper and integer scaling layouts.
- Article
How Frame Rate, Bitrate and Resolution Affect Video File Size
Understand which video settings directly control file size and how frame rate, resolution, codec and content affect bitrate choices.
- Article
How Many Megapixels Do You Need for a Print?
Calculate megapixels for print dimensions and PPI while accounting for aspect-ratio crop, source detail and viewing distance.
- Article
How Much of an Image Will Be Lost When Cropping?
Calculate crop dimensions, removed pixels and percentage area when fitting one image aspect ratio into another without distortion.
- Article
How Much Video Fits in 25MB, 100MB, 500MB or 1GB?
Estimate video duration from a storage or upload limit and total bitrate, with practical examples and safety margins.
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How to Calculate Video File Size from Bitrate and Duration
Estimate video storage from total bitrate and running time, with worked examples and the difference between decimal MB and binary MiB.
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How to Calculate Video Recording Time from Storage and Bitrate
Estimate camera or screen-recording time from card capacity and total bitrate while allowing for audio, overhead and variable data rates.
- Article
How to Change Aspect Ratio Without Cropping
Keep every part of an image or video visible by adding canvas space, letterboxing or designing an adaptive background.
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How to Change Aspect Ratio Without Ruining the Composition
Choose between crop, padding and reframing when changing an image or video aspect ratio, with a practical decision process.
- Article
How to Choose a Bitrate for a Target Video File Size
Calculate a safe video bitrate from duration and target file size while reserving space for audio, container overhead and variation.
- Article
How to Convert Video Aspect Ratio Without Stretching
Convert a video to a new aspect ratio using crop, padding or reframing while preserving natural proportions and export quality.
- Article
How to Crop a 3:2 Photo for 4×5, 5×7 and 8×10 Prints
Prepare a 3:2 camera image for common print ratios with exact crop examples, resolution checks, bleed and composition guidance.
- Article
How to Crop an Image to an Aspect Ratio Without Stretching
Calculate and position an exact aspect-ratio crop while preserving natural proportions, important content and enough pixels for output.
- Article
How to Find an Aspect Ratio from Width and Height
Find and simplify any aspect ratio from pixel dimensions, with worked examples, decimal ratios and guidance for non-standard sizes.
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How to Find an Image's Resolution and Aspect Ratio
Check image width, height, megapixels and aspect ratio, then interpret whether the file is large enough for screen or print use.
- Article
How to Prepare a Video for an Upload File-Size Limit
Meet a strict video upload limit by calculating bitrate, reserving overhead and testing quality without random repeated compression.
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How to Reduce MP4 File Size Without Making It Look Bad
Reduce an MP4 file intelligently by trimming, choosing an efficient codec, controlling bitrate and testing the scenes most likely to break.
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How to Reduce Video File Size Without Visible Quality Loss
Make video files smaller by choosing an efficient codec, sensible bitrate, resolution and audio settings while protecting visible detail.
- Article
How to Reframe 16:9 Video for TikTok, Reels and Shorts
Build effective 9:16 versions of a 16:9 edit for TikTok, Instagram Reels and YouTube Shorts without blind center crops.
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How to Resize an Image Without Losing Quality
Resize images cleanly by preserving aspect ratio, choosing an appropriate resampling method and avoiding unnecessary recompression.
- Article
How to Resize an Image Without Pixelation
Prevent blocky edges and soft detail by understanding source pixels, enlargement limits, resampling and final viewing size.
- Article
How to Turn a Horizontal Video into Vertical Video
Reframe landscape footage for a vertical 9:16 canvas using crop, split layouts, backgrounds and shot-by-shot composition.
- Tool
Image Aspect Ratio Calculator
Check an image’s pixel dimensions, aspect ratio, orientation and megapixels privately in your browser.
- Article
Image Resolution for Print: How Many Pixels Do You Need?
Calculate print resolution from inches and PPI, choose a realistic density and avoid unnecessary upscaling.
- Collection
Image, video, print and display guides
Practical guides for aspect ratios, image resolution, photo printing, video delivery and monitor sizing, with exact tables and calculators.
- Ratio guide
Instagram aspect ratios and sizes
Choose Instagram aspect ratios and working sizes for square posts, portrait photos and Reels, with crop checks, safe-area advice and calculators.
- Ratio guide
Instagram Carousel Size and Aspect Ratio
Use the 1080 × 1350 Instagram Carousel working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
Instagram Post Size and Aspect Ratio
Use the 1080 × 1350 Instagram Post working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
Instagram Reel Size and Aspect Ratio
Use the 1080 × 1920 Instagram Reel working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
Instagram Story Size and Aspect Ratio
Use the 1080 × 1920 Instagram Story working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Tool
Integer scaling calculator
Find the largest integer scale for pixel art, games and video. Calculate scaled resolution, centered borders and screen coverage for 1080p, 1440p or 4K targets.
- Tool
Letterbox & pillarbox calculator
Calculate exact letterbox or pillarbox black bar sizes, scaled content area and screen usage for any source and target frame. Includes an FFmpeg command.
- Ratio guide
LinkedIn Banner Size and Aspect Ratio
Use the 1584 × 396 LinkedIn Banner working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
LinkedIn image and video sizes
Choose LinkedIn sizes by placement, compare aspect ratios, calculate dimensions and prevent accidental crops with reviewed source guidance.
- Tool
Megapixel to resolution calculator
Convert megapixels and aspect ratio to pixel width and height, or calculate megapixels from any resolution. Free instant MP calculator.
- Article
Monitor Resolution Chart: HD, QHD, 4K, Ultrawide and 5K
Compare common monitor resolutions by exact dimensions, pixel count and aspect ratio for productivity, design and gaming workflows.
- Article
Monitor Resolution Explained: Pixels, Scaling and Aspect Ratio
Understand monitor resolution, native pixels, operating-system scaling and how to choose a usable desktop setup.
- Tool
Multi-monitor wallpaper calculator
Calculate dual, triple and multi-monitor wallpaper sizes. Arrange 2–6 screens, preview mixed resolutions and get exact canvas dimensions and per-monitor crop coordinates.
- Ratio guide
Phone Wallpaper Size and Resolution Guide
Choose a wallpaper canvas for modern phones, account for different screen ratios and keep the subject clear of clocks, widgets and cropping.
- Ratio guide
Pinterest Pin Size and Aspect Ratio
Use the 1000 × 1500 Pinterest Pin working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Tool
Pixel aspect ratio calculator
Calculate pixel aspect ratio (PAR/SAR), display aspect ratio (DAR) and square-pixel resolution. Includes 720×480, PAL, HDV presets and an FFmpeg command.
- Article
Pixels per Inch (PPI) Explained for Images, Prints and Screens
Learn what pixels per inch means, calculate PPI for images, prints and screens, and understand how PPI differs from printer DPI.
- Article
Portrait vs Landscape: Orientation, Ratios and When to Use Each
Compare portrait and landscape orientation for photos, documents, screens and social video, with practical composition guidance.
- Article
Poster Resolution: Choosing DPI by Size and Viewing Distance
Choose realistic poster pixel dimensions by physical size, viewing distance, source detail and printer requirements instead of one fixed DPI rule.
- Tool
Print size & DPI calculator
Convert pixels to print size in inches, cm or mm, find pixels needed at 300 DPI, or check effective PPI with fit and crop previews. Includes A4 and photo sizes.
- Collection
Print Size and Photo Dimension Guides
Convert common paper and photo sizes to pixels, compare DPI choices and prepare files without stretching or accidental cropping.
- Collection
Resolution guides
Browse 66 calculated resolution guides. Check exact aspect ratios, pixels, megapixels, proportional sizes, print dimensions and crop or fit results.
- Tool
Responsive image & srcset generator
Generate responsive image HTML with srcset, sizes, width and height. Plan export dimensions, avoid upscaling and choose loading settings for web images.
- Article
Responsive Images Explained: srcset, sizes and picture
Use responsive image markup correctly by separating resolution switching, layout width and art direction, with practical HTML examples.
- Article
Screen Resolution vs Viewport vs Device Pixel Ratio
Distinguish physical screen pixels, CSS viewport dimensions and device pixel ratio, then apply them to screenshots and responsive images.
- Tool
Social Media Image & Video Sizes
Find reviewed image and video dimensions for YouTube, Instagram, TikTok, Facebook, LinkedIn, X and Pinterest, with official source links.
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Social media safe zone checker
Check social media safe zones for Instagram Reels, Stories, TikTok and YouTube Shorts. Preview an image and download a free PNG overlay.
- Collection
Social media size and ratio tools
Choose tools to look up social media sizes, measure crop loss and preview safe zones. Plan each placement without editing or uploading your source file.
- Article
Standard Photo Sizes: Print Dimensions, Ratios and Pixels
Compare common photo print sizes, their aspect ratios and pixel dimensions at 300 PPI before cropping or ordering prints.
- Ratio guide
TikTok aspect ratios and sizes
Prepare a TikTok video at 9:16 and 1080 × 1920, check safe areas, compare alternate ratios and calculate crops without uploading your file.
- Ratio guide
TikTok Video Size and Aspect Ratio
Use the 1080 × 1920 TikTok Video working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Article
Ultrawide Monitor Resolutions: 21:9, 32:9 and Exact Ratios
Compare common ultrawide monitor dimensions, exact aspect ratios, workspace and compatibility considerations.
- Article
Vertical Video Safe Zones for Captions, Text and Key Visuals
Plan safe areas for TikTok, Instagram Reels and YouTube Shorts while accounting for controls, captions and changing previews.
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Video Aspect Ratio Calculator
Plan video sequence and export dimensions from a ratio and one side. Calculate 16:9, 9:16 and other preset sizes, with framing and rounding guidance.
- Article
Video Codec vs Container: MP4, MOV, H.264, H.265 and AV1
Understand how containers and codecs differ, what common labels actually mean, and how compatibility and compression affect delivery.
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Video file size calculator
Estimate video file size from bitrate and duration, or calculate bitrate for a target size. Includes audio, overhead allowance and MB, GB, MiB and GiB results.
- Article
Video Resolution Chart: SD, HD, Full HD, 2K, 4K and 8K
Compare common video resolutions, pixel counts, aspect ratios and practical uses without confusing consumer UHD and cinema formats.
- Article
Video Resolution vs Bitrate: Which One Controls Quality?
Learn how resolution and bitrate interact, why neither guarantees quality, and how to choose a balanced export for real content.
- Tool
Viewport & DPR calculator
Check your browser viewport and device pixel ratio. Convert CSS pixels to device pixels, calculate high-DPI image sizes and understand zoom and visual viewport.
- Collection
Wallpaper Size and Resolution Guides
Choose practical phone and desktop wallpaper dimensions and match the native resolution and aspect ratio of the actual display.
- Article
What Does 300 DPI Mean in Pixels?
Convert print inches or centimeters to pixels at 300 DPI and understand why DPI alone cannot specify an image size.
- Article
What Is Aspect Ratio? A Practical Guide to Image and Video Shape
Understand aspect ratio, how width and height form a ratio, why it differs from resolution, and how to choose the right shape for images and video.
- Article
What Is DPI? Printer Resolution Without the Common Myths
Learn what dots per inch means for printers, how it differs from image pixels and why a DPI metadata value alone does not change quality.
- Article
What Is Image Resolution? Pixels, Dimensions and Detail Explained
Understand image resolution, pixel dimensions, megapixels and print density without confusing them with aspect ratio or file size.
- Article
What Is My Monitor Resolution? Screen Pixels vs Browser Viewport
Understand the difference between physical screen resolution, operating-system scaling, device pixel ratio and browser viewport measurements.
- Article
Which Aspect Ratio Should You Use for Photography?
Choose between 3:2, 4:3, 4:5, 1:1 and panoramic photo ratios based on capture, composition, print and delivery needs.
- Article
Why Videos with the Same Resolution Have Different File Sizes
Explain file-size differences between videos with identical dimensions using duration, bitrate, codec, frame rate, audio and scene complexity.
- Article
Why Your Video Has Black Bars and How to Fix Them
Diagnose letterboxing, pillarboxing and baked-in bars, then choose crop, fit or native-ratio delivery without distorting video.
- Ratio guide
YouTube aspect ratios and sizes
Find YouTube aspect ratios and sizes for landscape video, Shorts and thumbnails, with official references, calculators and crop guidance.
- Ratio guide
YouTube Banner Size and Aspect Ratio
Use the 2560 × 1440 YouTube Banner working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
YouTube Shorts Size and Aspect Ratio
Use the 1080 × 1920 YouTube Shorts working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Ratio guide
YouTube Thumbnail Size and Aspect Ratio
Use the 3840 × 2160 YouTube Thumbnail working size, calculate matching dimensions, compare alternatives, and prevent accidental crops.
- Article
YouTube Video Aspect Ratios for Videos, Shorts and Thumbnails
Choose the correct YouTube aspect ratio for standard videos, Shorts and thumbnails, and understand player padding and previews.
Not sure which tool you need?
Start with a task collection: compare ratios and framing, prepare an image, plan a video export, or size a social post. Each collection explains when to use its tools.