Practical guides on getting data out of files — PDFs, images, archives and Windows installers — from the people who build the free tools.
Last updated: 22 September 2026 To extract an icon from an EXE, DLL, or MSI file, drop the file directly into the EasyExtract Icon Extractor, which parses the binary’s Portable Executable (PE) resource table…
Read the guide →A capture group is a part of a regex pattern wrapped in parentheses. While the full pattern decides what to match, the capture group decides what to extract — letting you pull just the…
Read the guide →Before you upload a file to an online tool, you should be able to answer seven questions about what happens next. Most people skip this step — and most tools are counting on that.…
Read the guide →File metadata is information stored inside a file that describes the file itself rather than its visible content — things like who created it, when it was last modified, what software was used, and…
Read the guide →Browser-based file processing means your file never leaves your device — JavaScript running inside your browser tab does all the work locally, and no data is sent anywhere. Server-side processing means your file is…
Read the guide →Uploading a PDF to an online tool is usually safe for non-sensitive documents, but most services copy your file to their servers and keep it for hours or days before deleting it — which…
Read the guide →Structured data is information organised into a fixed shape — rows, columns, and defined fields — so a computer can read it directly, while unstructured data has no predefined layout and must be interpreted…
Read the guide →OCR (Optical Character Recognition) reads text from an image by analysing pixels — it is for scans, screenshots, and photos where the text is baked into the picture. Text extraction copies text that is…
Read the guide →Email headers are the routing log attached to every message — they record every server the email passed through, the real sender address, authentication results (SPF, DKIM, DMARC), and timestamps. Your inbox only shows…
Read the guide →An email extractor pulls addresses from text you already have — a paste, a CSV, a log, a document. An email finder looks up addresses you don’t have, usually by searching a domain or…
Read the guide →Every tool runs in your browser and never uploads your files. Browse the full tool directory →