Excel to SQL, HTML to Excel, and SQL Server data import tutorials
Practical guides for Excel, SQL, PDF, and developer workflows you can run in the browser.
Convert xlsx, xlsm, or csv to PDF with ComTools—share read-only reports, email attachments, and printable archives without installing Office.
Read full article: Excel to PDF Online: Export Spreadsheets for Print and Archive →Chain ComTools Excel Merge, Remove Duplicates, and Excel to SQL—combine department files, dedupe by key, then bulk INSERT into your database with a practical checklist.
Read full article: Excel Data Workflow: Merge, Deduplicate, then Generate SQL →Draft with ComTools AI quote generator, manage templates and clients in ComTools Quotely—full workflow for software, export and construction teams that quote often.
Read full article: AI Quote Draft + ComTools Quotely for Repeat Quotes: End-to-End Workflow →Tired of fixing Excel quote templates and broken formulas? Compare ComTools Quotely online quotation software with Excel/Word—templates, auto totals, PDF export and share links for B2B and export sales.
Read full article: Online Quotation Software vs Excel: When to Switch Tools →How to export B2B/export quotations as PDF and share a link clients can open on mobile—vs email attachments, with ComTools Quotely samples in English and Chinese.
Read full article: Export Trade Quotation PDF and Share Online: Mobile-Friendly Client View →How to auto-sum qty×price, tax, discount, prepayment and balance on quotations—Excel formulas vs ComTools Quotely dynamic engine for B2B quotes without math errors.
Read full article: Quotation Auto-Calculate Formulas: Tax, Discount and Balance Due →Convert the first Excel or CSV sheet to UTF-8 XML with ComTools—headers become element names under Rows/Row, ready for system integrations.
Read full article: Excel to XML: Export Spreadsheet Rows as Structured XML →Use ComTools Text Format to split text by space, comma, or newline, rejoin with another delimiter, and wrap items in single or double quotes—locally in the browser.
Read full article: Split Text by Delimiter and Wrap Quotes Online →ComTools Excel batch QR tool—upload xlsx/csv, pick a URL or text column, embed QR images in a new column, and download. Free up to 200 rows; email 344028991@qq.com for larger custom jobs.
Read full article: Excel Batch QR Code Generator: Write Images Back to a New Column (Free 200 Rows) →ComTools Excel date converter—batch text to date, date to text, fix serial 45292, CSV green triangle warning. Preview and download XLSX.
Read full article: Excel Date Text Converter Guide: Text to Date, Serial Fix, Green Triangle →Export Excel and print PDF from the AI quote generator—when to use each format, Word templates and email tips.
Read full article: Export Quotations to Excel and PDF: How to Send to Clients →Parse HTML tables, Bootstrap grids, and ngx-datatable locally with ComTools—copy to Excel, export xlsx, or build SQL IN clauses from selected cells.
Read full article: HTML Table to Excel: Copy Web Tables Without Broken Columns →Beautify xlsx, csv, json, or html with ComTools Excel Format—theme presets, freeze/filter, date and number formats, email/phone masking, export styled xlsx.
Read full article: Excel Format Online: Headers, Zebra Stripes, Dates and Data Masking →How to use ComTools free AI quotation generator—API setup, templates, natural-language line items, Excel export and PDF print.
Read full article: AI Quote Generator Guide: Professional Quotes in 5 Minutes →A practical guide for freelancers and small teams—quotation layout, day rates, payment milestones, validity and disclaimers, plus a free AI tool.
Read full article: How Freelancers Write Quotations: Structure, Pricing and Pitfalls →How to quote software outsourcing—line items for analysis, UI, frontend, backend, QA, deployment, milestone payments and AI templates.
Read full article: Software Project Quotations: Scope Split, Day Rates and Milestones →Step-by-step AutoFTP setup: FTP/FTPS/SFTP connection, schedules, incremental filters, and local cleanup for automated report and log sync.
Read full article: AutoFTP Guide: Schedule FTP / SFTP Downloads on Windows →Upload UTF-8 CSV and download xlsx with ComTools—BOM detection, fix garbled Chinese, prep for merge, dedup, and SQL tools.
Read full article: CSV to Excel: Convert UTF-8 CSV to xlsx Online →Export the first Excel worksheet to UTF-8 CSV with ComTools—comma escaping, quoted fields, ready for databases and data pipelines.
Read full article: Excel to CSV: Export UTF-8 Comma-Separated Files Online →Convert xlsx or csv to a formatted JSON array with ComTools—headers become keys, ideal for frontend mocks, API samples, and data exchange.
Read full article: Excel to JSON: Export Spreadsheet Data as a JSON Array →Upload two Excel or CSV files with ComTools Excel Compare—diff the first worksheet row by row and cell by cell, with clear mismatch reports.
Read full article: Compare Two Excel Files Online: Row and Cell Diff →Merge multiple xlsx files into one workbook with ComTools Excel Merge—all worksheets kept, file order adjustable, free online download.
Read full article: Merge Multiple Excel Files Online: Combine All Sheets into One Workbook →Split one xlsx into separate Excel files per worksheet with ComTools—download as ZIP. Ideal for distributing sheets or per-sheet SQL import.
Read full article: Split Excel by Sheet Online: Export Each Worksheet as a Separate File →ComTools Excel dedup tool—remove duplicate rows by column, preview duplicate groups, mark duplicates, export unique values to XLSX or CSV.
Read full article: Remove Duplicates in Excel Online: Dedup by Column with Preview →Use ComTools Text to SQL to turn space, newline, or comma-separated ID/GUID lists into SQL IN clauses—processed locally in your browser.
Read full article: Build SQL IN Clauses from Text: GUID and ID Lists →Practical guide for importing Excel or CSV via SQL scripts—UTF-8 BOM, column mapping, data types, large files, indexes, and privacy—with ComTools Excel to SQL.
Read full article: Excel and CSV Import to Database: Encoding, Mapping, and Batching →Use ComTools Excel to SQL to bulk-generate DELETE statements from Excel or CSV. Match rows by WHERE keys with mandatory conditions and pre-flight safety checks.
Read full article: Generate DELETE Statements from Excel: Safe Bulk Row Removal →Learn how to convert Excel to SQL online—upload .xlsx or .csv, map columns, and download INSERT, UPDATE, DELETE & SELECT scripts for SQL Server, MySQL, PostgreSQL, SQLite & Oracle.
Read full article: Convert Excel to SQL — Free Online Guide (INSERT, UPDATE, DELETE) →Use ComTools Excel to SQL to bulk-generate UPDATE statements from Excel or CSV. Set SET columns and WHERE keys to fix emails, status, prices, and more.
Read full article: Generate UPDATE Statements from Excel: Bulk Edit Database Rows →Use ComTools Excel to SQL to bulk-generate INSERT statements from Excel or CSV. Supports SQL Server, MySQL, PostgreSQL, batch inserts, and optional CREATE TABLE scripts.
Read full article: Generate INSERT Statements from Excel: Bulk SQL Script Export →Contact support
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