We run a small set of free web tools that work in the browser. No sign-up, no watermark. This is a short list of what is there and when each one helps.
Photos
- BGNinja: remove the background from a photo and download a transparent PNG.
- PicReviver: bring an old, scratched or faded photo back.
- PassportNinja: crop and size a photo for a passport or ID.
Audio
- StemGrab: split a song into vocals and instruments, useful for karaoke or remixes.
- ScribeGrab: turn a recording into text with timestamps and subtitles.
Video and documents
- VideoBGNinja: cut the background out of a short video.
- ScanReviver: clean up a scanned page so it is readable again.
Everything is also listed on one page: shinobitools.com. If a tool is missing something you need, tell me in the comments and I will look at it.
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