GIF Analyzer

Analyze GIF Properties

Inspect animated GIFs in detail. View frame count, timing, colors, and technical metadata. Perfect for debugging and optimization.

  • Frame Analysis
  • Color Palette
  • Timing Data
  • Metadata
Analyze GIF Optimize GIF
GIF Analyzer Tool

Upload GIF to Analyze

Animated GIF Up to 100MB
  1. Upload your GIF file (up to 100MB)
  2. View frame count, dimensions, file size, and total duration
  3. Check individual frame delays and disposal methods
  4. Analyze color palette and loop settings
Pro Tip: Frame delays under 20ms may cause performance issues. Aim for 30-50ms per frame for smooth playback.

Drop GIF file here or click to upload

GIF files up to 100MB

What You Can Analyze

Frame Analysis

View individual frame thumbnails, delays, disposal methods, and local color tables.

Color Palette

Extract and view the GIF's color palette with hex values. See global vs local color tables.

Performance Metrics

Calculate total duration, average FPS, and identify optimization opportunities.

GIF Analysis: Complete Guide

Analyze GIF files to extract detailed technical information—dimensions, file size, frame count, timing, color usage, disposal methods, and metadata. Perfect for optimizing GIFs, troubleshooting playback issues, understanding file structure, and verifying animation properties.

Why Analyze GIFs?

  • Optimize File Size: Identify bloated files—see if high frame count, large dimensions, or complex colors cause large files
  • Troubleshoot Playback: Check frame delays, loop settings, disposal methods when GIFs don't animate correctly
  • Understand Structure: Learn how GIFs work—global vs local color tables, interlacing, transparency indices
  • Quality Assessment: Verify color palette usage, detect dithering, check if 256-color limit impacts quality
  • Pre-Edit Planning: Analyze before editing—know frame count, timing, dimensions to plan modifications

Key GIF Metrics Explained

Metric What It Tells You Optimization Insight
File Size Total bytes of GIF file Large? Try optimizer, reduce dimensions, or lower frame count
Dimensions Width × Height in pixels 1920x1080? Reduce to 480p for 70% size reduction
Frame Count Number of animation frames 100+ frames? Delete duplicates or reduce FPS
Total Duration Length of full animation loop Long duration + high frame count = huge file
Frame Delay Milliseconds each frame displays Inconsistent delays cause jerky playback
Color Table Global or per-frame colors (max 256) Local tables increase file size—global preferred
Loop Count Repetitions (0 = infinite) Finite loops stop playing—check if intentional

Common Analysis Scenarios

Scenario 1: GIF Too Large for Platform

Analyze shows: 5MB file, 1080p dimensions, 60 frames. Solution: Resize to 480p (70% reduction), delete every other frame (50% reduction), optimize (30% reduction)—final size ~500KB.

Scenario 2: GIF Plays Too Fast/Slow

Analyze shows: Frame delays vary 20ms to 200ms. Solution: Use GIF Editor to normalize all delays to 100ms (10 FPS standard).

Scenario 3: GIF Doesn't Loop

Analyze shows: Loop count = 1 (plays once). Solution: Re-create with loop count 0 (infinite) or edit metadata.

Scenario 4: Poor Quality Despite Large File

Analyze shows: 256 colors, heavy dithering, complex photographic content. Solution: Convert to WebP or APNG for 24-bit color—better quality, smaller file.

Optimization Checklist

File > 2MB: Check dimensions (reduce to 480-640px), frame count (delete duplicates), and use optimizer

Jerky Playback: Check frame delays—normalize inconsistent timing to 100ms

Color Banding: Check color count—if using all 256 colors on photos, switch to WebP/APNG

Doesn't Loop: Check loop count—should be 0 for infinite, adjust if needed

Pro Analysis Tips

  • Compare Before/After: Analyze original, optimize, analyze again to verify improvements
  • Check Disposal Methods: "Restore to Previous" = efficient, "Do Not Dispose" = larger files
  • Identify Redundant Frames: Identical consecutive delays suggest duplicate frames to delete
  • Verify Transparency: Transparency index present? Ensures backgrounds show through
  • Export Data: Save analysis for documentation or comparison with other GIFs

Quick Reference

Max Upload Size
20MB per GIF
Analysis Data
Dimensions, frames, timing, colors, metadata
Frame-by-Frame
Individual frame details
Processing Time
Instant (1-5 seconds)
Export Options
View or download analysis

Privacy & Security

Your GIFs are analyzed client-side when possible. Server analysis auto-deletes files within 1 hour. All transfers encrypted via HTTPS.

Frequently Asked Questions

File properties: Dimensions (width×height), total file size (bytes/KB/MB), format version (GIF87a/GIF89a). Animation data: Frame count, total duration, loop count (0=infinite). Frame details: Individual frame delays (milliseconds), disposal methods, transparency indices. Color information: Global color table size, local color tables per frame, palette usage. Metadata: Comments, application extensions, creation info if present.

Identify size culprits: Large file? Check if high dimensions (reduce to 480p), many frames (delete duplicates), or local color tables (switch to global). Fix timing issues: Inconsistent frame delays cause jerky playback—normalize to 100ms. Spot redundancy: Identical consecutive delays suggest duplicate frames to delete. Verify settings: Check loop count (should be 0 for infinite), disposal methods (\"Restore to Previous\" more efficient). Use analysis data to target specific optimizations.

Yes, full per-frame breakdown! For each frame: Delay time (milliseconds it displays), disposal method (how it transitions to next frame), local color table (if present, increases size), transparency index (which color is transparent). Use cases: Find frames with wrong delays, identify frames using local color tables (inefficient), spot frames without proper disposal causing visual glitches. Frame data helps pinpoint exact issues for targeted editing.

Yes, all valid GIF files: GIF87a (original 1987 spec, no animation), GIF89a (1989 spec with animation + transparency), static GIFs (single frame), animated GIFs (multiple frames), interlaced GIFs (progressive loading), transparent GIFs (transparency index set). Analyzer parses binary GIF structure directly—works even on corrupted files (shows partial data). Maximum upload size: 20MB. Processing time: 1-5 seconds even for complex multi-frame GIFs.

Disposal method determines what happens to current frame before showing next. \"Do Not Dispose\" (0): Leave frame, overlay next on top—inefficient, larger files. \"Do Not Dispose\" (1): Same as 0. \"Restore to Background\" (2): Clear frame area before next—efficient for non-overlapping. \"Restore to Previous\" (3): Revert to frame before current—most efficient, smallest files. Analyzing disposal methods helps identify optimization opportunities—GIFs using \"Do Not Dispose\" throughout can often be re-encoded with \"Restore to Previous\" for 20-40% size reduction.

Global color table: One 256-color palette for entire GIF—efficient, smaller files. Local color tables: Each frame has own 256-color palette—allows more total colors but increases file size significantly (256×3 bytes per frame). Why local tables exist: Some GIF creators use local tables when frame colors differ drastically. Optimization: If analyzer shows many local tables, re-create GIF with global table only using our tools—often reduces size 30-50% with minimal quality loss.

Yes, export as JSON or TXT! Analysis includes all technical data: file properties, frame-by-frame details, color tables, metadata. Use cases: (1) Documentation—save analysis for project records or client reporting. (2) Comparison—analyze original vs optimized to verify improvements. (3) Batch audits—export data from multiple GIFs to identify optimization candidates. (4) Technical reference—study GIF structure for learning or debugging. Export preserves all data in structured format for further processing.

Yes, completely free with generous limits! Free tier: Analyze GIFs up to 20MB, unlimited analyses per day, full frame-by-frame details, export data as JSON/TXT, no watermarks. Processing is instant (1-5 seconds) regardless of GIF complexity. Client-side analysis when possible—your GIF never leaves your browser for simple checks. Server analysis auto-deletes files within 1 hour. Free tier covers 100% of use cases—no paid features for analysis tool.

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