All-in-One Tools Collection
A broad collection of online tools for development, AI, design, and productivity tasks.
Showing page 41 of 179 (12 tools on this page)
API Mock Server
Generate a runnable Redis-backed mock API server with 1-hour TTL, hot updates, and dynamic templated responses
JSON Schema Generator
Infer JSON Schema from sample JSON, optionally merge manual schema edits, and validate data against the active schema
Test Data Faker Builder
Generate structured test data from field configuration with support for faker fields, regex rules, credit cards, IDs, and batch export
XLSX Chart Embedder
Embed generated chart images into Excel workbooks using workbook data ranges for bar or pie chart reports
XLSX Conditional Formatting Rule
Batch-apply conditional formatting rules such as threshold highlights, data bars, and color scales to Excel worksheets
XLSX Sparkline Injector
Inject Excel sparklines into worksheet cells by patching XLSX sheet XML with sparkline definitions
XLSX Formula Injector
Fill formulas down worksheet columns and optionally lock formula cells for protected, template-friendly Excel workbooks
XLSX Named Range Injector
Create or update workbook-level named ranges so formulas, validations, and reusable templates can reference stable Excel names
XLSX Sheet Theme Pack
Apply consistent colors, fonts, borders, and header styling to Excel sheets and export branded multi-theme reports
XLSX Data Validation Dropdown
Batch-create dropdowns, dependent cascading dropdowns, and input prompts in Excel workbooks using data validation rules
XLSX Freeze Pane Manager
Freeze top rows/left columns automatically and apply row or column outline groups for easier spreadsheet reading
XLSX Print Setup Pack
Apply paper, margins, scaling, repeating titles, and header/footer print settings to Excel workbooks in one pass