WORKLAZY TOOLS

Free Browser Tools for Documents, Media & Work

Edit documents and media, convert text and data, plan work across time zones, and use practical privacy tools without installing software.

Excel & Spreadsheets

  • Merge Excel Files and Sheets - Combine multiple Excel files or sheets into a single XLSX file. Preserves formulas and formatting, and supports password-protected files.
  • Compare Excel Files and Data - Compare pairs of Excel or CSV files by position or key columns. View differences in values, formulas, and formatting in an XLSX report.
  • Batch Clean Excel Data - Apply 28 different rules such as removing spaces, blank rows, and duplicates to clean up your Excel and CSV files systematically.
  • CSV, JSON, and HTML Data Converter - Freely convert between CSV files, JSON arrays, and HTML table data directly in your browser environment.

Documents & PDF

  • Folder & ZIP Compare - Compare file contents in two folders or ZIP archives, then inspect selected pairs with existing tools.
  • Batch Generate Word Documents - Automatically generate multiple individualized Word documents at once by replacing template variables with your Excel data.
  • Compare Word and HWP Documents - Compare DOCX, DOC, HWP, or HWPX documents to easily identify differences in paragraphs, tables, and formatting.
  • Compare PDF File Differences - Compare original and revised PDF pairs to identify page-by-page rendering differences and extracted text changes.
  • Edit PDF Pages - Merge, split, extract, and rotate PDF pages, then add page numbers, watermarks, or stamps.
  • PDF Converter - Convert Word, Excel and PowerPoint to PDF, or PDFs to DOCX, XLSX, PPTX, HWPX and images. HWP input uses browser printing.
  • Document to Markdown - Save text and tables from Word, Excel, PPTX and PDFs with selectable text as Markdown.
  • Online HWP Document Editor - Open and view HWP/HWPX files without installing software, then edit them. Save as HWP, HWPX or HML with formatting support.
  • Online Office Document Editor - Easily view, edit, and save Word, Excel, and PowerPoint documents directly in your web browser.

Image & Audio

  • Image Editor - A versatile image editor providing image resizing, cropping, mosaic, filtering, and free-hand drawing features.
  • AliExpress Ad Banner Builder - Build five AliExpress ad banner designs from Excel or CSV lists and save HTML or iframe code, or convert a banner URL to iframe code. Files and URLs are processed in your browser.
  • Image Compare - Inspect color, opacity and recognized-text differences, and review alignment suggestions.
  • Online Audio Editor - Cut, mute, copy, and paste sections of an audio waveform, or apply pitch adjustment effects to your recordings.

Text & Code

  • Text Compare - Find line, word and character changes between two texts, copy selected changes and save your result.
  • Batch Merge Text Files - Order multiple TXT files and combine them into a single file using custom separators like line breaks or commas.
  • Remove Line Breaks and Spaces - Remove unnecessary spaces, line breaks, and duplicate lines. Also supports case conversion and Korean grammar checks.
  • JSON, SQL, and XML Formatter - Check syntax errors and beautifully indent JSON, SQL, and XML text to make your code neat and readable.

Dates & Calculators

  • Business Day and PTO Calculator - Calculate exact business days excluding weekends and Korean public holidays, and estimate PTO based on your start date.
  • World Map Timezone Converter - Select cities on the world map to compare local times and meeting schedules, automatically accounting for UTC and Daylight Saving Time.
  • Net Salary and Severance Calculator - Easily estimate net monthly salary, weekly holiday pay, and legal severance pay based on the latest social insurance rates.

Security & Sharing

Investment research

  • FolioTrace - Explore an estimate of NPS Korean equity holdings based on public filings.
  • Stock market calendar - Check holidays and trading hours for KRX, NXT, NYSE and Nasdaq. U.S. market hours are also shown in Korea time.