Author Profile
Tony
CTO at XenoStep AI LLC
Tony is the CTO of XenoStep AI LLC. He leads the technical architecture of Batch Printer, with deep expertise in PDF processing, security features, watermark removal, and OCR pipelines.
Published Work
Articles by Tony
Tips
Combine PDFs in Your Browser: Where Your Files Actually Go
A look under the hood of a browser-side PDF combiner: what stays on your device, what quietly needs a server, and how to know which path your files take.
Tutorial
How to Rotate a PDF and Save It So the Rotation Sticks
I rotated a sideways page, saved the file, and reopened it in three different viewers to see what truly persists. The rotation held in every one - and the reason why explains every PDF that ever un-rotated itself on you.
Tutorial
How to Combine PDF Forms Without Losing Your Answers
I merged two fillable PDFs with overlapping field names to see what actually survives. The pages combined perfectly and every interactive field disappeared. Here is why, and when that is exactly what you want.
Tutorial
PDF Compare Online Free: What the Tool Shows and What It Misses
PDF comparison is best for catching visible layout and page-level changes between drafts. This guide explains the workflow, tested observations, and limitations.
Tutorial
Remove Background From Product Photos Free: Tested Browser Cutout Notes
Use Batch Printer's background remover for clean product cutouts, then inspect edges, shadows, and transparency before placing the result on a white or branded background.
Tutorial
Extract Text from Scanned PDFs: Tested OCR Workflow and Limits
OCR reads pixels, not meaning - so scan quality and language choice decide most of the result. A one-page receipt run shows what the tool reports and what still needs your eyes.
Tips
GIF Maker Online Free: Turn Loose Image Frames Into One Clean Animation
Use Batch Printer's browser GIF maker to queue image frames, set timing, generate a preview, and download a clean animated GIF without guessing how the tool behaves.
Tips
Convert Image Formats Online: Tested WebP, JPEG, PNG, and BMP Workflow
The same picture saved as JPEG, PNG, or BMP can differ in size by a factor of fifty. Converting all three to WebP makes the trade-offs visible in real numbers.
Tips
Compress Images Online Free: Tested Browser Results and Quality Checks
A photo, a flat UI card, and a receipt scan respond to the same compression preset in completely different ways. Real before-and-after sizes show which is which.
Tips
Convert Markdown to PDF Online: Preview, Page Setup, and Honest Limits
Markdown is easy to write and awkward to hand off. A README-style file with a table, checklist, code block, and Mermaid diagram shows exactly what survives the trip to PDF.
Tips
How to Password Protect a PDF Online Without Overstating Security
PDF password protection adds an access gate. Use it with strong passwords, careful sharing, and output verification.
Tips
Resize Image Online Free: Browser Workflow, Quality Notes, and Size Targets
Use the Batch Printer browser image resizer for web previews, email attachments, social images, and print drafts while avoiding blurry upscaling and distorted aspect ratios.
Tips
How to Redact Sensitive Information in a PDF Without Leaving It Behind
Redaction is not the same as drawing a black box. Use a tested workflow that removes selected PDF areas and verifies the output before sharing.
Tutorial
Remove a Visible Gemini Watermark With a Checked Browser Workflow
Use Batch Printer to test visible Gemini-style watermark cleanup, then compare the output before replacing your original image.