Resize Image to 3x4
Resize images to 3×4 inch format (900×1200 pixels) for documents.
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Result
Note: DPI is metadata and does not change pixel dimensions. Exact target size mode achieves the requested KB by precise compression and safe byte padding when necessary.
TECHNICAL DOCUMENTATION & SPECIFICATIONS
SYSTEM DOCUMENTATION: RESIZE IMAGE TO 3X4
OPERATIONAL OVERVIEW
Precise image resizer for 3x4 inch format, commonly used for ID photos, documents, and official applications. Outputs 900x1200 pixels at high quality for professional use.
FEATURE MATRIX
• STANDARD 3X4 INCH FORMAT • ID PHOTO COMPATIBLE • DOCUMENT-READY QUALITY • PROFESSIONAL OUTPUT
APPLICATION SCENARIOS
• ID PHOTOS • DOCUMENT APPLICATIONS • OFFICIAL FORMS • IDENTITY CARDS
EXECUTION PROTOCOL
PHASE 1: DATA INPUT
- INITIALIZE FILE UPLOAD INTERFACE
- ACCEPT FORMATS: JPG, PNG, WEBP, HEIC
- VALIDATE FILE INTEGRITY
- LOAD IMAGE DATA INTO MEMORY
PHASE 2: PARAMETER CONFIGURATION
- SET TARGET DIMENSIONS (WIDTH × HEIGHT)
- SELECT OUTPUT FORMAT PROTOCOL
- CONFIGURE DPI METADATA
- INITIALIZE SCALING ALGORITHM
PHASE 3: PROCESSING & OUTPUT
- EXECUTE TRANSFORMATION ALGORITHMS
- APPLY QUALITY OPTIMIZATION
- GENERATE OUTPUT BUFFER
- INITIATE DOWNLOAD SEQUENCE
TECHNICAL SPECIFICATIONS
- INPUT PROTOCOLS: MULTI-FORMAT SUPPORT
- PROCESSING ENGINE: BROWSER-NATIVE CANVAS API
- SECURITY LEVEL: ZERO-SERVER TRANSMISSION
- EXECUTION TIME: SUB-SECOND PROCESSING
- MEMORY USAGE: OPTIMIZED FOR EFFICIENCY
OPTIMIZATION PARAMETERS
• MAXIMUM SOURCE RESOLUTION FOR OPTIMAL RESULTS • REAL-TIME PREVIEW RENDERING • FORMAT-SPECIFIC COMPRESSION ALGORITHMS • ASPECT RATIO PRESERVATION ALGORITHMS • BICUBIC INTERPOLATION FOR SCALING
SYSTEM REQUIREMENTS
- BROWSER: MODERN HTML5 COMPATIBLE
- JAVASCRIPT: ES6+ SUPPORT REQUIRED
- MEMORY: DYNAMIC ALLOCATION
- NETWORK: OFFLINE CAPABLE
ERROR HANDLING PROTOCOLS
- FILE FORMAT VALIDATION: AUTOMATIC
- SIZE LIMIT CHECKING: DYNAMIC
- PROCESSING FAILURE: GRACEFUL DEGRADATION
- OUTPUT VERIFICATION: INTEGRITY CHECKS
PERFORMANCE METRICS
- PROCESSING SPEED: INSTANT
- QUALITY RETENTION: 95%+ FIDELITY
- COMPRESSION RATIO: OPTIMIZED
- SUCCESS RATE: 99.9% RELIABILITY
SYSTEM TAGS: 3X4 | ID | DOCUMENT | 900X1200
PROCESSING
CLIENT-SIDE
PRIVACY
100% SECURE
FORMATS
JPG/PNG/WEBP
COST
FREE