Category Archives: corrupted

Why is photo repair more expensive than photo recovery?

In this post I’ll try to explain why photo repair is relatively expensive compared to photo recovery. Why is it many photos can be recovered at a fraction of the cost of repairing just a few images?

Create a disk image of a SD Card or small USB flash drive

In this post I’ll explain how you can create a sector-by-sector disk image of a small USB flash drive or memory card using JpegDigger. This type if disk images are also referred to as dd or RAW image files. The disk image is an exact copy of each sector of the drive that was imaged.… Read More »

Repair MP4, MOV, 3GP, M4V, WAV, MP3 after STOP/DJVU ransomware

As most ransomware STOP/DJVU encrypts files to make them inaccessible. After you pay the ransom (in bitcoins), the attackers send the tools and information needed to decrypt your files and make them accessible again. The encryption is very hard to ‘break’ but ransomware researcher every now and then have success creating decryption software. Some time… Read More »

These 9 Sony memory cards might corrupt your files

Sony has issued a product advisory warning for nine of its SD memory cards, across three different product lines, that might damage your data. The cards, listed below, are at risk of corrupting your files when recording video, according to Sony: SF-M Series SF-M64 SF-M128 SF-M256 (Applicable cards can be identified by the presence of… Read More »

Recent changes to JPEG-Repair Toolkit

2.8.101 # Adds MCU clone tool To repair a JPEG you typically need to remove corrupt data which affects alignment of all data following corruption. To re-align you then insert stuff bytes (zeros) which leave a grey horizontal line. In this video I show how I use MCUs directly above the grey line to replace… Read More »

Unstable SD card with bad sectors data recovery – freezing, locks up, read errors, disconnects

Recovering your precious photos from a SD card can be challenging enough after accidental file deletion or formatting. Recovering data from an unstable SD Card may prove to even more difficult. Recovering data from an unstable SD Card Many file, photo and data recovery tools available focus on file recovery. Their efforts focus on discovery… Read More »

Windows Photos: It looks like we don’t support this file format

Windows Photos: “It looks like we don’t support this file format.” The first thing you need to check is if other photo viewers can actually open the file. For example try the ‘old’ Windows Photo Viewer or a third party photo viewer. If those fail to open the photo as well, the file may be… Read More »

JPEG-Repair, no SOS detected

A common error message that JPEG-Repair reports is ‘no SOS detected’. I have written several posts and made videos to repair JPEG photos in case the Windows photo viewers report errors: The old Windows photo viewer: File appears to be damaged, corrupted or is too large. The new Windows Photos: It looks like we don’t… Read More »