Prepare PDFs and images for AI chat upload limits
Compress, split, convert, and resize files before uploading them to Claude, ChatGPT, Gemini, or another AI assistant.
Shard Tools MCP: AI File Preparation
Install Shard Tools MCP in Codex, Claude, or Cursor and prepare PDFs as cited Markdown, visual page images, batches, or contact sheets.
How to resize an image to 200x200 without uploading it
A practical guide to making an exact 200x200 image in your browser while preserving aspect ratio and avoiding file uploads.
How to compress a PDF locally in your browser
Learn how to compress PDFs locally in your browser, compare lossless and image-quality trade-offs, and verify file size and readability without uploading files.
How to resize an image to exact pixels without uploading it
A practical guide to exact-width and exact-height image resizing, including crop, fit, aspect ratio, and local browser processing.
Prepare Files for Online Applications
A practical checklist for resizing, compressing, converting, and checking application files locally in your browser.
How to compress a PDF to an upload limit
How to reduce a PDF toward a specific KB or MB limit while checking quality, page count, and browser-local processing.
How to compress an image to an upload limit
How image KB limits work, why JPG, PNG, and WebP compress differently, and how to keep image compression local in the browser.
How to convert image formats without uploading the file
A guide to local image conversion between JPG, PNG, WebP, AVIF, HEIC, BMP, ICO, and SVG using browser capabilities.
How to verify a file tool is not uploading your file
A plain-language checklist for checking whether a browser file tool adds upload-capable network requests during processing.
KB vs MB: convert file sizes for upload limits
How to convert KB and MB for upload forms, understand binary file-size math, and leave enough room before submitting a file.
Margin vs markup: how to convert one to the other
A plain-English guide to margin, markup, selling price, and profit so pricing calculations do not mix up cost and revenue.
How to read a QR code from an image or screenshot
How to inspect the text inside a QR code before opening it, using a local browser-based QR reader.
How to generate a SHA-256 hash in your browser
What a SHA-256 hash is, when to use one, and why local browser hashing is useful for checksums and repeatable text fingerprints.
Unit Conversion Tools for Everyday Measurements
Choose the right browser-local converter for pressure, speed, volume, temperature, weight, length, and common everyday measurements.
Business Calculators for Pricing, Margins, and Estimates
Use browser-local calculators for break-even, margin, markup, commission, unit cost, bricks, and quick estimates without spreadsheet setup.