Practical file, text & data guides
Choose a task, follow a worked example and understand what to check before using the output. Each guide links to the relevant browser tools.
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- Reduce an Image Toward a Form’s File-size Limit
Try a target size in KB, compare image quality and inspect the actual output before submitting a photo to a form.
- Remove Line Breaks from Text Copied from a PDF
Join hard-wrapped lines while preserving paragraph gaps. Review headings, tables and hyphenated words before reusing copied text.
- Compare Two CSV Exports Using a Unique Key
Match CSV records by a stable identifier and distinguish added, removed and changed rows from simple row-order differences.
More practical guides
- Clean a CSV While Preserving Leading-zero Identifiers
Trim cells and headers, remove exact duplicate rows and inspect identifiers before importing a cleaned CSV into a spreadsheet.
- Create a Static QR Code and Test It Before Printing
Encode a direct link, Wi-Fi or contact payload, export a QR code and check both the decoded content and a printed test.
- Convert Selectable PDF Text to Word: What Is Preserved?
Reconstruct simple PDF text as editable paragraphs, headings and lists. Compare the result and understand unsupported tables, images and OCR.