Tag Archives: digital image recovery

Corrupt JPEG Files and how to fix them

In this blogpost we’ll look at: A good JPEG as point of reference JPEG header corruption and how to repair Header + part of image data damaged and repair Corruption in JPEG image data resulting in visual anomalies JPEGs beyond repair that no one likes to hear about First things first, what is repair and… Read More »

Data Recovery from corrupt 7-Zip (7z) archive, a lucky break ..

I was looking through a 7-Zip file in an attempt to repair it using HxD. The archive was created by ZArchiver, an Android backup app. Once the backup was created the phone was reset. Repairing a corrupt 7z file. The maker of 7-Zip has some hints on repairing a corrupt .7z file. Header of the… Read More »

JpegDigger’s JPEG repair feature explained

JpegDigger features a JPEG repair option. What is this and what can it do? Repair will not per se result in a perfect image. It can however repair JPEGs to a degree where they can be opened and viewed, including their flaws. JPEG structure Let’s first look at how a JPEG file is organized internally.… Read More »

RAW file recovery and duplicates

Recovery is resulting in duplicate photos One of the drawbacks of ‘raw recovery’ is that generally files are recovered with auto generated meaningless filenames. To conclusively identify files you have to open them although initial culling can be done by sorting by size, or with help of a tool that can sort files by creation date,… Read More »

Physically broken SD Card – Data Recovery

Seems that many articles about ‘broken SD cards’ refer to software solutions. If a SD card is truly physically broken no software will be able to help. Suggestions to format the card, use DiskPart, run chkdsk are just bullshit (pardon my French). Broken SD Card Micro SD cards If we talk about the standard form… Read More »

SD geheugen kaart bevriest computer, gegevens redden, data recovery (NL)

Probleem: SD geheugen kaart niet leesbaar (SD card, micro SD card) Symptoom: Computer bevriest wanneer SD kaart in lezer aanwezig is Doel: Data recovery Computer bevriest bij detecteren SD memory kaart Om deze symptomen  te verklaren moeten we bergijpen wat er gebeurt wanneer Windows een opslag apparaat detecteert. Windows zal proberen een aantal meta-data structuren… Read More »

Repair and recovery of digital photos

[automatically translated. Original language Dutch] DiskTuna has extensive experience with generic data recovery but specializes in recovering photos from small flash-based data carriers (SD cards, USB thumb drives, etc.). DiskTuna is also one of the few (worldwide!) That is able to repair corrupt digital photos. You can read all about it on this page. You… Read More »

USB Flash drive not detected after fall

Will a USB flash drive survive a drop? Modern USB Flash drives are quite solid and will most likely survive a fall due to their monolithic design. Older USB keys typically consist of several components micro soldered to a flimsy PCB. Apart from the smaller chip (the controller) and the large chip (NAND flash memory),… Read More »

If photos can be recovered, I will.

In several places on this website I make the bold claim that I may recover your photos even if: File recovery or photo recovery software does not. File or photo recovery software recovers corrupt photos. Other labs can’t or recover corrupt files … Of course this is a claim you should not take my word… Read More »

Recover photos from a hard drive

When choosing the best photo recovery software it’s important to consider from what type of drive you need to recover from. To recover photos from a hard drive, in 9 out of 10 cases generic file recovery software will do better, give less fuzz and be quicker than specialized photo recovery software. In advance: SSD… Read More »