KIOHWKIO HARDWARE TEST
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      Hardware tests39
      Input devicesKeyboard testMouse testGamepad testStylus and pen testPS5, PS4 and Switch controller testDouble click testScroll wheel test
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      PDF tools41
      Organize PDFMerge PDFSplit PDFRemove pagesExtract pagesOrganize PDFScan to PDFAdd pages to PDFMultiple pages per sheet
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      Convert to PDFJPG to PDFOffice to PDF
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      AI PDF toolsSummarize PDF (AI)Coming soonTranslate PDF (AI)Coming soonChat with PDF (AI)Coming soon
      Media tools25
      ImagesHEIC to JPGCompress imageResize imageImage converterEXIF viewer and removerRemove backgroundQR code generatorQR code scannerCrop and rotate imageWatermark imagesImage to text (OCR)
      Audio and videoVideo to MP3Compress videoTrim videoScreen recorderWebcam recorderVoice recorderVideo to GIFVideo converterRotate and crop videoMerge videosAudio cutterAudio converterNormalize audio
      FilesFile hash checker

      Redact PDF

      Runs locally

      Drag boxes over the parts to hide on any page.

      How to use

      1. Choose or drop a PDF.
      2. Drag boxes over the areas to hide. Click a box to remove it.
      3. Press Redact PDF.

      Frequently asked questions

      Is the hidden text really gone?

      Yes. Pages with boxes are turned into images, so the original text cannot be copied or searched.

      What happens to pages without boxes?

      They are kept exactly as they were.