BlitzTrials Toolkit

Research & Data Tools

Practical browser-based tools for PDF documents, images, QR codes and research data workflows. The local tools are designed to handle common document and image tasks directly in your browser, while the Google Apps Script utilities work within the researcher's own Google environment.

No BlitzTrials membership is required to open and use this workspace. Some exports made by non-members or non-Premium users may retain a small BlitzTrials watermark.

Available

Local PDF Editor

A full browser-based PDF workspace for preparing, reviewing, converting and organising research and administrative documents.

Edit pages, text, images, signatures, stamps, watermarks, QR codes and other document objects.
OCR scanned documents, search recognised text and convert PDFs into editable Word documents.
Detect and extract tables into editable previews, CSV or Excel.
Compress, redact, password-protect, merge, reorganise, annotate and prepare PDFs for sharing.

PDF processing is performed locally in your browser. Non-member and non-Premium saved documents may retain the BlitzTrials watermark.

Open PDF Editor

Available

Local Image Editor

Quickly prepare figures, screenshots, signatures, stamps and other images without sending them to a separate online image service.

Crop, resize, compress, rotate, flip and adjust images.
Add editable text, images, shapes, arrows and QR codes.
Remove backgrounds and prepare signatures or transparent graphics.
Save in common image formats or export the active image as PDF.

Images are processed locally inside the browser and remain under the user's control.

Open Image Editor

Available

QR Tools

Create clean, scan-ready QR codes for research materials, posters, forms, contact details and everyday communication.

Create QR codes for websites, contact cards, WhatsApp, email, phone, SMS, Wi-Fi and text.
Choose visual QR frames and add your own custom wording.
Adjust QR, background, frame and wording colours.
Download PNG or SVG, or copy the generated QR directly.

QR information is generated locally in the browser and is not sent to BlitzTrials for QR creation.

Open QR Tools

Available

Google Apps Script Data Processing

Use BlitzTrials Google Sheets and Forms utilities to support structured research data collection and processing inside the researcher's own Google environment.

Google Forms and Google Sheets research workflows.
Managed studies, assessment timepoints and participant links.
Support for paired and longitudinal research workflows.
Structured data-processing outputs suitable for further analysis.

Google Apps Script processing takes place within the researcher's own Google Sheets / Forms environment.

Open Data Processing Tool

Feedback, Support & Bug Reports

Found something that is not working as expected, need help using a BlitzTrials tool, or have an idea that could make the toolkit more useful? Let us know.

Ask for help with the PDF, Image, QR or research data tools.
Report unexpected behaviour, failed conversions or browser compatibility problems.
Suggest improvements or new practical workflow features.

When reporting a problem, include the tool used, browser/device, what you expected and what happened. Please do not send participant-identifiable or sensitive research information by ordinary email.

Contact Support Report a Bug

Researcher-controlled workflow. The PDF Editor, Image Editor and QR Tools are designed to perform their core processing locally in the browser. Google Apps Script utilities operate within the researcher's own Google environment. Choose the appropriate tool for the type of document, image or data being processed.