TV Viewing Distance Calculator
Estimate a seat distance from the screen size and whether you watch in 4K or 1080p.
Use ToolPDF, home and tech tools
Use focused PDF workspaces, browser image utilities, and practical calculators. Each page explains what its result can and cannot do, including where files are processed.
Available Tools
Home Office Desk Setup Planner
Plan monitor distance from the desk depth you enter, plus mouse side. It is not a posture diagnosis.
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Smart-Home Compatibility Checklist
Review key questions before adding connected devices, hubs, lights, speakers, cameras or thermostats.
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Room Paint Quantity Estimator
Estimate paint quantity based on room measurements. Results are estimates and may vary by paint type, surface condition and coats required.
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Appliance Energy Use Estimator
Explore a basic estimate using appliance wattage, hours of use and your electricity-rate input.
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Wi-Fi Coverage Planner
Estimate a starting number of Wi-Fi units to price, then test coverage in your rooms.
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DIY Material Calculator
Turn a cut list into linear feet with a waste allowance.
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Workspace Equipment Checklist
Generate a short equipment list for a small team or a home office.
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Compress JPG
Reduce a JPEG file size in your browser with a quality slider. Nothing is uploaded.
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PNG to WebP
Convert a PNG to WebP locally in your browser when the browser supports encoding.
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WebP to JPG
Convert a WebP image to JPEG in your browser, with a background color for transparency.
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Image Resizer
Resize JPG, PNG, or WebP images locally with optional aspect-ratio lock.
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Image Information
Read basic image details (MIME, size, dimensions) locally in your browser.
Use ToolPDF tools
Choose a task below. Browser image conversion stays on your device; other PDF operations use private temporary server storage.
Convert PDF
PDF to Word
Make a working Word copy of a text-based PDF for revisions, with clear expectations about layout changes and scanned pages.
JPG to PDF
Put JPEG photos, receipts, or document snapshots into a single page-based PDF in the order you choose.
PDF to JPG
Export PDF pages as familiar JPEG images for presentations, visual review, or systems that cannot accept a PDF.
Word to PDF
Create a shareable PDF from a DOCX document while keeping the source Word file available for edits.
PNG to PDF
Turn screenshots, diagrams, or transparent PNG artwork into an ordered PDF for reading or printing.
PDF to PNG
Create lossless PNG snapshots of PDF pages when text edges, diagrams, or flat colors need an image format.
Edit PDF
Add Text to PDF
Place new labels, notes, or short annotations over an existing PDF without changing its underlying text.
Edit Existing PDF Text
Replace or delete text already drawn in a supported PDF while retaining its existing font, size, color, and page position.
Organize PDF
Merge PDF
Bring separate PDF files together in a deliberate order without changing their page content.
Split PDF
Separate a long PDF into smaller files for sharing or focused review while keeping the original untouched.
Delete PDF Pages
Make a shorter PDF by removing pages you do not need, without changing the original uploaded file.
Optimize PDF
Compress PDF
Try a conservative file-size reduction before emailing or uploading a PDF, and see the actual result instead of a promised percentage.
Compress PDF to Size
Check a PDF against a specific upload limit and see the smallest size the available compression passes achieve.
Fill & Sign PDF
Fill PDF Form
Enter answers into an existing interactive AcroForm instead of printing and handwriting each field.
Electronic Signature for PDF
Place a visible electronic signature on a document where a simple visual signing method is appropriate.
Use Results Carefully
Tool results are estimates for general planning only. They are not professional inspections, measurements, quotes or guarantees. Confirm product requirements, measurements, local rules and safety guidance before making decisions.