The Convexio toolbox for sensitive documents and data.
Free tools for PDFs, Office files, encryption, and more. Files are processed locally in your browser. The sharing tools transfer data directly between the connected browsers.
Browse tools
31 / 31 tools
Replace names, contact details, IBANs, and other personal data in text with placeholders, locally in your browser.
Transfer files directly between browsers without storing them on a server.
Inspect PDFs locally for hidden content, active elements, and potential risks, then download a cleaned copy when needed.
Create invoices, mail merge letters, or quotes locally from DOCX or XLSX templates and Excel data.
Open password-protected PDFs locally and download a decrypted copy when you know the password.
Batch rename local files with patterns, natural sorting, and a preview.
Generate memorable passphrases locally with English or German wordlists.
Create, analyze, and export QR codes and barcodes locally as SVG or PNG without uploading content.
Create invoices, mail merge letters, or quotes locally from DOCX or XLSX templates and Excel data.
Convert Word, Excel, PowerPoint, and OpenDocument files to PDF locally in your browser.
Transcribe MOV and MP4 videos locally, edit subtitles, and export subtitle files or an MP4.
Combine PNG, JPEG, and WebP images into a PDF locally.
Turn scanned PDFs into searchable text locally in your browser with optical character recognition (OCR).
Export PDF pages locally as PNG or JPEG images in a ZIP.
Decode JSON Web Tokens locally, inspect claims, verify signatures, and sign new JWTs.
View and export data from ZUGFeRD PDFs and XRechnung or UBL XML files locally.
Open and search PST and OST files locally, including emails, attachments, and folder structures.
Diagnose and repair broken XLSX, DOCX, and PPTX files locally, for example invalid XML characters, missing parts, or orphaned relationships.
Extract embedded PDF text locally and export it as TXT, Markdown, or JSON.
Inspect text coverage, empty pages, coordinates, and extraction quality of a PDF locally, page by page.
Inspect PDFs locally for hidden content, active elements, and potential risks, then download a cleaned copy when needed.
Redact SPX system reports locally for support: remove personal identifiers and private settings while keeping technical details.
Replace names, contact details, IBANs, and other personal data in text with placeholders, locally in your browser.
Encrypt and decrypt PGP messages locally in the browser without uploading or storing content.
Transfer files directly between browsers without storing them on a server.
Share your screen directly with other browsers without storing any content on a server.
Inspect and clean DOCX, XLSX, and PPTX files locally for metadata, macros, external links, and embedded content.
Check locally whether sensitive terms remain searchable in the PDF text layer after a visual redaction.
Inspect PDF signature fields locally and create embedded digital PDF signatures.
Remove title, author, creator, timestamps, and XMP metadata from PDFs locally.
Encrypt PDFs locally with a password before sharing them.
Open password-protected PDFs locally and download a decrypted copy when you know the password.
Sync local folders directly between browsers without storing files on a server.
Batch rename local files with patterns, natural sorting, and a preview.
Combine multiple PDFs locally into one file in the chosen order.
Export single pages or selected pages from one PDF locally as a ZIP.
Select, reorder, and optionally rotate pages from one PDF.
Note: The Convexio tools are developed with great care. However, we accept no liability for incorrect results or damages arising from their use. Please check results yourself before using them further.
AI and software for your business
We advise businesses on where AI and automation can take work off their hands, then build the solution ourselves. It often takes less effort than expected.