Image Watermark Tool
Add custom text watermarks to protect your images.
Upload
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: IMAGE WATERMARK TOOL
OPERATIONAL OVERVIEW
Professional watermarking tool that adds custom text overlays to your images. Protects your photos with copyright notices, brand names, or custom text with adjustable opacity and positioning.
FEATURE MATRIX
• CUSTOM TEXT WATERMARKS • COPYRIGHT PROTECTION • ADJUSTABLE OPACITY • PROFESSIONAL POSITIONING
APPLICATION SCENARIOS
• COPYRIGHT PROTECTION • BRAND WATERMARKING • PHOTO ATTRIBUTION • PROFESSIONAL PHOTOGRAPHY
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
- CONFIGURE EFFECT PARAMETERS
- SET TRANSFORMATION VALUES
- APPLY TEXT OVERLAY IF REQUIRED
- INITIALIZE EFFECT PROCESSING
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 • NON-DESTRUCTIVE PROCESSING • REAL-TIME EFFECT PREVIEW
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: WATERMARK | COPYRIGHT | PROTECTION | TEXT OVERLAY
PROCESSING
CLIENT-SIDE
PRIVACY
100% SECURE
FORMATS
JPG/PNG/WEBP
COST
FREE