Kyauta Boye Rubutu a Hoto (Steganography)
Boye saƙon rubutu na sirri a cikin hoton PNG ta amfani da hanyar steganography ta bit-mafi-ƙarancin-muhimmanci, tare da zaɓin ɓoyewa da kalmar sirri ta AES-256-GCM. Fitar da shi daga baya da irin wannan kayan aiki. Komai yana faruwa a cikin burauzarka.
Jefa fayiloli a nan, ko danna don bincika
PNG, JPG, WebP, HEIC, HEIF · Babu iyakar girman fayil
ko danna Ctrl+V don manna daga clipboard ɗinka
Fayilolin ku ba za su bar na'urar ku ba. Duk sarrafa yana faruwa a cikin burauzar ku.
Ƙaramin hoto ya fi sauƙin aikawa. Ɓoyayyun bayanan kula suna buƙatar ƙaramin fili ƙwarai.
Yadda yake aiki. Kowace tsatso na ja, kore, da shuɗi na kowane pixel yana ɗauke da bit ɗaya na saƙonka a bit ɗin da bai fi muhimmanci ba — ba a iya gani da ido. Fitowa PNG ce (ba tare da asara ba); ajiyewa a matsayin JPEG ko WebP daga baya zai matse kuma ya share bits ɗin da aka ɓoye.
Ƙara kalmar sirri yana ɓoye abun ciki da AES-256-GCM (PBKDF2, juyi 250,000) kafin ɓoyewa, don haka ko da wanda ya yi zargin hoton yana ɗauke da bayanai ba zai iya karanta su ba. Komai yana faruwa a na'urar gizonka.
Yadda Yake Aiki
Yana ɓoye saƙon rubutu a cikin hoto ta hanyar sa shi cikin bit ɗin da bai fi muhimmanci ba na kowane pixel na ja, kore, da shuɗi — ba za a iya bambanta shi da hoton asali ba, kuma ana dawo da shi da kayan aikin ɗaya.
- 1Ka jefa hoton da za a ɓoye saƙon a cikiPNG, JPEG, ko WebP. Ana loda shi zuwa canvas a burauzarka; ba a loda komai zuwa yanar gizo.
- 2Ana (na zaɓi) ɓoye saƙon, sannan a boye shi bit-bitDa kalmar sirri, ana ɓoye saƙon farko da AES-256-GCM (PBKDF2, maimaituwa 250,000). Kowane bit yana shiga LSB na tashar R, G, ko B — bits uku a kowane pixel.
- 3Sauke PNGAna fitar da sakamakon a matsayin PNG marar asara. JPEG/WebP za su sake matsawa kuma su lalata bits ɗin da aka ɓoye, don haka PNG ne kawai mai aminci.
Komai yana faruwa a burauzarka. Hotonka da saƙonka ba sa taɓa isa uwar garkenmu.
Kayan Aiki Masu Alaƙa
Hoto zuwa Base64
Canza hoto zuwa Base64 data URI don amfani a ciki na CSS, HTML, ko Markdown. Kwafi snippets da suka shirya. Ana ɓoyewa a cikin browser ɗinka; ba a taɓa loda shi.
Rufe / Pixelate Hoto
Rufe ko pixelate fuskoki, lambobin motoci, adireshi da sa hannu kafin raba — an dinke rufawar a cikin pixels kuma an cire EXIF. 100% na sirri, a cikin burauzarka, babu tura.
Mai Cire Bayanan Fayil
Cire ɓoyayyun bayanai — wurin EXIF/GPS, sunan marubuci, da tarihin gyara — daga hotuna, PDF, da takardun Office. Mara asara kuma 100% a cikin browser ɗinka.