ToolBoxFree Guides

Helpful, practical information for getting better results from everyday PDF, image, document and calculator tasks. These guides explain common workflows, quality checks and situations where each type of tool is useful.

How to Convert JPG to PDF Online
A practical guide to converting JPG images into PDF files, choosing images, checking the result and preparing documents for sharing.

How to Compress a JPG to 50KB Online
Learn how to reduce a JPG image toward a 50KB target, what affects file size and how to check image quality before uploading.

How to Reduce PDF File Size Without Losing Quality
Practical tips for reducing PDF file size, understanding why PDFs become large and checking the final document before sharing.

How to Convert Word to PDF Online
A practical guide to converting Word documents to PDF, checking formatting and preparing a document for sharing or printing.

How to Convert PDF to Word Online
Learn how to turn a PDF into an editable Word document and what to check when the original PDF contains scans, tables or complex formatting.

How to Remove Duplicate Lines from Text Online
Learn how to clean repeated lines from lists and copied text, and why reviewing the cleaned output matters.

How to Create a Professional Invoice Online
A practical guide to preparing an invoice with clear business details, item descriptions, totals and payment information.

How to Compress Images for Websites and Uploads
Learn how image dimensions, quality and file format affect image size, and how to prepare a smaller image without losing unnecessary detail.

How to Merge, Split and Extract PDF Pages
Learn when to merge PDFs, split documents or extract selected pages and how to verify the final file.

How to Use Percentage and EMI Calculators
Understand common percentage and EMI calculations and how to check calculator results before using them for decisions.

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