All-in-One Tools Collection

A broad collection of online tools for development, AI, design, and productivity tasks.

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Generate professional invoice/quotation workbooks with auto totals, tax calculations, and company logo embedding

Generate a KPI dashboard workbook with metric cards, trend table, and conditional warning formatting

Generate one workbook containing multiple report tabs: overview, details, anomalies, and dictionary

Generate an index sheet for workbook with links to each sheet and core statistics

Programmatically build dynamic Excel reports with multi-level merged headers, grouped subtotal, and dynamic columns

Fill existing styled/formula Excel templates by replacing {{variable}} placeholders only

Generate a preview video by evenly sampling clips from source video and concatenating them

Append new rows incrementally and emit next processing cursor based on time or primary-key column

Split a multi-sheet workbook into independent files by sheet name, with ZIP output

Merge multiple similarly structured workbooks as multiple sheets or append all rows into one sheet

Fetch JSON from REST or GraphQL API and write mapped records into an Excel sheet with automatic pagination

Render an Excel range to HTML table for web preview with merged cells and basic background colors