Generators
UUID Generator
Generate random UUID v4 identifiers for your applications.
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Random Number Generator
Generate random numbers with min/max, count, and unique options.
Chmod Calculator
Calculate Linux file permissions. Convert between numeric (755) and symbolic (rwxr-xr-x) formats.
Mermaid Diagram Editor
Create flowcharts, sequence diagrams, ER diagrams, Gantt charts and more with Mermaid syntax.
Barcode Generator
Generate barcodes in Code 128, EAN-13, UPC, Code 39, and more. Download as PNG.