CTRL by Rare Frequency Works
Fix the PDF. Keep control.
CTRL brings the document tasks people actually need into one focused workspace: edit text, sign, OCR, sanitize, merge, optimize, watermark, add page numbers, convert images to PDF, and more.
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Create & edit
Open PDFs, edit or add text, place signatures, add images, and make precise changes without a bulky desktop workflow.
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Recognize & protect
Use OCR to make scanned content searchable and use privacy-focused tools designed to help remove or sanitize sensitive content.
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Convert & organize
Merge files, create PDFs from images, extract and arrange pages, optimize file size, watermark documents, and add page numbers.
CTRL+ unlocks the premium experience.
Premium access is designed for users who want the full toolset and an ad-free experience.