Process files privately in your browser, or use source-backed business workflows with clearly identified external references.
Trade Studio connects classification, markets, buyers and suppliers, costing, Incoterms, documents, logistics, payment and post-shipment reconciliation while keeping source provenance and uncertainty visible.
Explore Export & Import BusinessDrop one file and OpenFileTools will inspect it locally, then suggest compatible private tools. This is a router—not another upload requirement checker.
These practical workflows are currently among the tools people discover most often in search, spanning product images, file inspection, PDF checks, ZIP archives, and GIFs.
Build robots.txt rule groups with user agents, allow/disallow paths, crawl-delay notes, and sitemap URLs while keeping semantics visible.
SEO & MarketingResize Shopify product photos locally for consistent storefront dimensions and aspect ratios while keeping Shopify limits separate from recommendations.
Seller Image ToolsIdentify a file type from bounded magic bytes, container evidence, browser MIME, and filename extension instead of trusting the name alone.
Privacy & MetadataBulk resize photos and multiple images with proportional batch controls, local processing, and no upload.
Resize & CompressionCreate a ZIP file from multiple files or a folder in your browser while preserving safe relative paths and avoiding server uploads.
Privacy & MetadataIdentify fonts used by searchable PDF text, subset names, page usage, and supported embedding evidence without uploading the file.
PDF ToolsInspect embedded JPG or PNG resolution metadata and calculate real print sizes from exact pixel dimensions without uploading the photo.
Photography & PrintExtract every composited GIF frame as PNG or JPG locally, then download individual frames or all frames in a ZIP.
GIF & AnimationReduce image-heavy PDFs with disclosed visual compression, document-type analysis, and before-and-after review.
PDF ToolsMove directly into a focused set of released tools.
Start with detailed walkthroughs for upload readiness, WhatsApp chat exports, Gmail/MBOX email archives, ZIP files, meeting minutes, checksums, file identification, and Shopify product images.
A practical sequence for exporter setup, IEC, product classification, market research, buyer verification, pricing, documents, freight, payment and post-shipment reconciliation.
Read the guide →Learn all 11 Incoterms® 2020 rules with seller-versus-buyer responsibility diagrams, risk-transfer points, container examples, named-place guidance and realistic export scenarios.
Read the guide →Use the international HS hierarchy as evidence, narrow candidates with product facts, then verify India's ITC(HS) extension and current trade policy before filing or quoting.
Read the guide →Create a ZIP archive without losing folder structure, then verify the archive before sending or uploading it.
Read the guide →Turn a real meeting into a clear record of decisions, actions, owners, due dates, unresolved questions and follow-up without writing a transcript.
Read the guide →Compare a trusted SHA-256 digest with the hash of the file you received, and understand what a matching checksum does and does not prove.
Read the guide →Extract ZIP archives into a clean destination, avoid overwriting important files, and verify suspicious or unusually large archives before opening content.
Read the guide →Check the file's internal signature instead of trusting only its filename extension, then understand the limits of signature-based identification.
Read the guide →Build a consistent product-gallery image system by separating crop/aspect ratio, pixel dimensions, source quality, compression and theme behavior.
Read the guide →Learn exactly what robots.txt controls, how user-agent groups and path rules work, when to use noindex instead, and how to test production crawler rules without blocking valuable pages.
Read the guide →OpenFileTools is built around measured output, explicit limits, and corrections that become regression tests. The exact checks depend on the format.
Where the format permits it, saved PDFs, ZIPs, spreadsheets, images, archives, and structured data are reopened or reparsed so dimensions, pages, entries, bytes, checksums, or other result facts come from the artifact itself.
Malformed input, unsupported features, browser limits, ambiguous data, and stale asynchronous results are expected to fail visibly instead of being silently guessed through.
Marketplace and platform guidance can change. Guides that depend on those rules use review dates and first-party source documentation where practical.
A technical checker does not become a legal, marketplace, identity, accessibility, investment, or forensic guarantee just because it can calculate a result.
Start with the exact file, image, PDF, developer, generator, or trade-business task you need.
File-processing stays local. A workflow that requests an external reference source identifies that source before you use it.
Check measured output, assumptions, dates, and sources before you save or act on it.