from https://github.com/Secret-chest/fancy-text/blob/main/main.py

main.py

text = input("Enter text: ")


# The list of fonts. Add your font here.
print("┌───────────────────────┬─────────────────────────────────────────────────────────────────────────────────────┐")
print("│         Font          │                                    Characters                                       │▒▒")
print("├───────────────────────┼─────────────────────────────────────────────────────────────────────────────────────┤▒▒")
print("│1 Bold                 │ 𝗔𝗕𝗖𝗗𝗘𝗙𝗚𝗛𝗜𝗝𝗞𝗟𝗠𝗡𝗢𝗣𝗤𝗥𝗦𝗧𝗨𝗩𝗪𝗫𝗬𝗭𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇𝟬𝟭𝟮𝟯𝟰𝟱𝟲𝟳𝟴𝟵")
print("│2 Italic               │ 𝘈𝘉𝘊𝘋𝘌𝘍𝘎𝘏𝘐𝘑𝘒𝘓𝘔𝘕𝘖𝘗𝘘𝘙𝘚𝘛𝘜𝘝𝘞𝘟𝘠𝘡𝘢𝘣𝘤𝘥𝘦𝘧𝘨𝘩𝘪𝘫𝘬𝘭𝘮𝘯𝘰𝘱𝘲𝘳𝘴𝘵𝘶𝘷𝘸𝘹𝘺𝘻𝟢𝟣𝟤𝟥𝟦𝟧𝟨𝟩𝟪𝟫")
print("│3 Bold Italic          │ 𝘼𝘽𝘾𝘿𝙀𝙁𝙂𝙃𝙄𝙅𝙆𝙇𝙈𝙉𝙊𝙋𝙌𝙍𝙎𝙏𝙐𝙑𝙒𝙓𝙔𝙕𝙖𝙗𝙘𝙙𝙚𝙛𝙜𝙝𝙞𝙟𝙠𝙡𝙢𝙣𝙤𝙥𝙦𝙧𝙨𝙩𝙪𝙫𝙬𝙭𝙮𝙯𝟬𝟭𝟮𝟯𝟰𝟱𝟲𝟳𝟴𝟵")
print("│4 Monospaced           │ ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔ\n"
      "│                       │ ｕｖｗｘｙｚ！＂＃＄％＆＇（）＊＋，－．／０１２３４５６７８９：；＜＝＞？＠［＼］＾＿｀｛｜｝～")
print("│5 Typewriter           │ 𝙰𝙱𝙲𝙳𝙴𝙵𝙶𝙷𝙸𝙹𝙺𝙻𝙼𝙽𝙾𝙿𝚀𝚁𝚂𝚃𝚄𝚅𝚆𝚇𝚈𝚉𝚊𝚋𝚌𝚍𝚎𝚏𝚐𝚑𝚒𝚓𝚔𝚕𝚖𝚗𝚘𝚙𝚚𝚛𝚜𝚝𝚞𝚟𝚠𝚡𝚢𝚣𝟶𝟷𝟸𝟹𝟺𝟻𝟼𝟽𝟾𝟿")
print("│6 Serif                │ 𝐀𝐁𝐂𝐃𝐄𝐅𝐆𝐇𝐈𝐉𝐊𝐋𝐌𝐍𝐎𝐏𝐐𝐑𝐒𝐓𝐔𝐕𝐖𝐗𝐘𝐙𝐚𝐛𝐜𝐝𝐞𝐟𝐠𝐡𝐢𝐣𝐤𝐥𝐦𝐧𝐨𝐩𝐪𝐫𝐬𝐭𝐮𝐯𝐰𝐱𝐲𝐳𝟎𝟏𝟐𝟑𝟒𝟓𝟔𝟕𝟖𝟗")
print("│7 Handwriting          │ 𝓐𝓑𝓒𝓓𝓔𝓕𝓖𝓗𝓘𝓙𝓚𝓛𝓜𝓝𝓞𝓟𝓠𝓡𝓢𝓣𝓤𝓥𝓦𝓧𝓨𝓩𝓪𝓫𝓬𝓭𝓮𝓯𝓰𝓱𝓲𝓳𝓴𝓵𝓶𝓷𝓸𝓹𝓺𝓻𝓼𝓽𝓾𝓿𝔀𝔁𝔂𝔃")
print("│8 Formal               │ 𝕬𝕭𝕮𝕯𝕰𝕱𝕲𝕳𝕴𝕵𝕶𝕷𝕸𝕹𝕺𝕻𝕼𝕽𝕾𝕿𝖀𝖁𝖂𝖃𝖄𝖅𝖆𝖇𝖈𝖉𝖊𝖋𝖌𝖍𝖎𝖏𝖐𝖑𝖒𝖓𝖔𝖕𝖖𝖗𝖘𝖙𝖚𝖛𝖝𝖞𝖟")
print("│9 Blue                 │ 🇦 🇧 🇨 🇩 🇪 🇫 🇬 🇭 🇮 🇯 🇰 🇱 🇲 🇳 🇴 🇵 🇶 🇷 🇸 🇹 🇺 🇻 🇼 🇽 🇾 🇿")
print("│10 Squared             │ 🄰🄱🄲🄳🄴🄵🄶🄷🄸🄹🄺🄻🄼🄽🄾🄿🅀🅁🅂🅃🅄🅅🅆🅇🅈🅉")
print("│11 Circled             │ 🅐🅑🅒🅓🅔🅕🅖🅗🅘🅙🅚🅛🅜🅝🅞🅟🅠🅡🅢🅣🅤🅥🅦🅧🅨🅩")
print("│12 Small Caps          │ ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘǫʀsᴛᴜᴠᴡxʏᴢ")
print("│13 Cool Handwriting    │ ᗩᗷᑕᗪEᖴGᕼIᒍKᒪᗰᑎOᑭᑫᖇᔕTᑌᐯᗯ᙭Yᘔ")
print("│14 Reversed            │ AᗺƆᗡƎꟻວHIᒐꓘ⅃MИOꟼϘЯƧTUV")
print("│15 Upside down         │ ∀ᗺƆᗡƎℲפHIſꓘ˥WNOԀQɹS┴∩ΛMX⅄Zɐqɔpǝɟƃɥᴉɾʞlɯuodbɹsʇnʌʍxʎz")
print("│16 Cool text           │ 卂乃匚ᗪ乇千Ꮆ卄丨ﾌҜㄥ爪几ㄖ卩Ɋ尺丂ㄒㄩᐯ山乂ㄚ乙")
print("│18 Outline             │ 𝕒𝕓𝕔𝕕𝕖𝕗𝕘𝕙𝕚𝕛𝕜𝕝𝕞𝕟𝕠𝕡𝕢𝕣𝕤𝕥𝕦𝕧𝕨𝕩𝕪𝕫𝔸𝔹ℂ𝔻𝔼𝔽𝔾ℍ𝕀𝕁𝕂𝕃𝕄ℕ𝕆ℙℚℝ𝕊𝕋𝕌𝕍𝕎𝕏𝕐ℤ𝟙𝟚𝟛𝟜𝟝𝟞𝟟𝟠𝟡𝟘")
print("│19 Curly               │ ąცƈɖɛʄɠɧıʝƙƖɱŋơ℘զཞʂɬų۷ῳҳყʑ")
print("│20 Handwriting 3       │ αɓ૮∂εƒɠɦเʝҡℓɱɳσρզ૨รƭµѵωאყƶ")
print("│21 Magic               │ αႦƈԃҽϝɠԋιʝƙʅɱɳσρϙɾʂƚυʋɯxყȥ")
print("│22 Magic 2             │ ค๒ς๔єŦﻮђเןкɭ๓ภ๏קợгรՇยשฬץאչ")
print("│23 Strange             │ ꪖ᥇ᥴᦔꫀᠻᧁꫝⅈ𝕛𝕜ꪶꪑꪀꪮρ𝕢𝕣ડ𝕥ꪊꪜ᭙᥊ꪗ𝕫")
print("│24 Parenthesized       │ 🄐🄑🄒🄓🄔🄕🄖🄗🄘🄙🄚🄛🄜🄝🄞🄟🄠🄡🄢🄣🄤🄥🄦🄧🄨🄩")
print("│25 Boxed               │ 🅰🅱🅲🅳🅴🅵🅶🅷🅸🅹🅺🅻🅼🅽🅾🅿🆀🆁🆂🆃🆄🆅🆆🆇🆈🆉")
print("└───────────────────────┴─────────────────────────────────────────────────────────────────────────────────────┘▒▒")
print("  ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒")
style = int(input("Font: "))

# List of accepted characters depending on the font. Add all the accepted characters in your font as a new item in
# this list.
original = ["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"#$%&'()*+,-./0123456789:;<=>?@[\\]^_`{|}~",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
            "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"]

# Character map for all the fonts. The ninth item is made out of flags, this is due to ligatures, not an error. Add
# your font character map here. Must be in the same order as the same item in the "original" list.
replace = ["𝗔𝗕𝗖𝗗𝗘𝗙𝗚𝗛𝗜𝗝𝗞𝗟𝗠𝗡𝗢𝗣𝗤𝗥𝗦𝗧𝗨𝗩𝗪𝗫𝗬𝗭𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇𝟬𝟭𝟮𝟯𝟰𝟱𝟲𝟳𝟴𝟵",
           "𝘈𝘉𝘊𝘋𝘌𝘍𝘎𝘏𝘐𝘑𝘒𝘓𝘔𝘕𝘖𝘗𝘘𝘙𝘚𝘛𝘜𝘝𝘞𝘟𝘠𝘡𝘢𝘣𝘤𝘥𝘦𝘧𝘨𝘩𝘪𝘫𝘬𝘭𝘮𝘯𝘰𝘱𝘲𝘳𝘴𝘵𝘶𝘷𝘸𝘹𝘺𝘻𝟢𝟣𝟤𝟥𝟦𝟧𝟨𝟩𝟪𝟫",
           "𝘼𝘽𝘾𝘿𝙀𝙁𝙂𝙃𝙄𝙅𝙆𝙇𝙈𝙉𝙊𝙋𝙌𝙍𝙎𝙏𝙐𝙑𝙒𝙓𝙔𝙕𝙖𝙗𝙘𝙙𝙚𝙛𝙜𝙝𝙞𝙟𝙠𝙡𝙢𝙣𝙤𝙥𝙦𝙧𝙨𝙩𝙪𝙫𝙬𝙭𝙮𝙯𝟬𝟭𝟮𝟯𝟰𝟱𝟲𝟳𝟴𝟵",
           "ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ！＂＃＄％＆＇（）＊＋，－．／０１２３４５６７８９：；＜＝＞？＠［＼］＾＿｀｛｜｝～",
           "𝙰𝙱𝙲𝙳𝙴𝙵𝙶𝙷𝙸𝙹𝙺𝙻𝙼𝙽𝙾𝙿𝚀𝚁𝚂𝚃𝚄𝚅𝚆𝚇𝚈𝚉𝚊𝚋𝚌𝚍𝚎𝚏𝚐𝚑𝚒𝚓𝚔𝚕𝚖𝚗𝚘𝚙𝚚𝚛𝚜𝚝𝚞𝚟𝚠𝚡𝚢𝚣𝟶𝟷𝟸𝟹𝟺𝟻𝟼𝟽𝟾𝟿",
           "𝐀𝐁𝐂𝐃𝐄𝐅𝐆𝐇𝐈𝐉𝐊𝐋𝐌𝐍𝐎𝐏𝐐𝐑𝐒𝐓𝐔𝐕𝐖𝐗𝐘𝐙𝐚𝐛𝐜𝐝𝐞𝐟𝐠𝐡𝐢𝐣𝐤𝐥𝐦𝐧𝐨𝐩𝐪𝐫𝐬𝐭𝐮𝐯𝐰𝐱𝐲𝐳𝟎𝟏𝟐𝟑𝟒𝟓𝟔𝟕𝟖𝟗",
           "𝓐𝓑𝓒𝓓𝓔𝓕𝓖𝓗𝓘𝓙𝓚𝓛𝓜𝓝𝓞𝓟𝓠𝓡𝓢𝓣𝓤𝓥𝓦𝓧𝓨𝓩𝓪𝓫𝓬𝓭𝓮𝓯𝓰𝓱𝓲𝓳𝓴𝓵𝓶𝓷𝓸𝓹𝓺𝓻𝓼𝓽𝓾𝓿𝔀𝔁𝔂𝔃",
           "𝕬𝕭𝕮𝕯𝕰𝕱𝕲𝕳𝕴𝕵𝕶𝕷𝕸𝕹𝕺𝕻𝕼𝕽𝕾𝕿𝖀𝖁𝖂𝖃𝖄𝖅𝖆𝖇𝖈𝖉𝖊𝖋𝖌𝖍𝖎𝖏𝖐𝖑𝖒𝖓𝖔𝖕𝖖𝖗𝖘𝖙𝖚𝖛𝖜𝖝𝖞𝖟",
           "🇦🇧🇨🇩🇪🇫🇬🇭🇮🇯🇰🇱🇲🇳🇴🇵🇶🇷🇸🇹🇺🇻🇼🇽🇾🇿",
           "🄰🄱🄲🄳🄴🄵🄶🄷🄸🄹🄺🄻🄼🄽🄾🄿🅀🅁🅂🅃🅄🅅🅆🅇🅈🅉",
           "🅐🅑🅒🅓🅔🅕🅖🅗🅘🅙🅚🅛🅜🅝🅞🅟🅠🅡🅢🅣🅤🅥🅦🅧🅨🅩",
           "ᴀʙᴄᴅᴇғɢʜɪᴊᴋʟᴍɴᴏᴘǫʀsᴛᴜᴠᴡxʏᴢ",
           "ᗩᗷᑕᗪEᖴGᕼIᒍKᒪᗰᑎOᑭᑫᖇᔕTᑌᐯᗯ᙭Yᘔ",
           "AᗺƆᗡƎꟻວHIᒐꓘ⅃MИOꟼϘЯƧTUVWXYZ",
           "∀ᗺƆᗡƎℲפHIſꓘ˥WNOԀQɹS┴∩ΛMX⅄Zɐqɔpǝɟƃɥᴉɾʞlɯuodbɹsʇnʌʍxʎz",
           "卂乃匚ᗪ乇千Ꮆ卄丨ﾌҜㄥ爪几ㄖ卩Ɋ尺丂ㄒㄩᐯ山乂ㄚ乙",
           "𝒜𝐵𝒞𝒟𝐸𝐹𝒢𝐻𝐼𝒥𝒦𝐿𝑀𝒩𝓞𝒫𝒬𝑅𝒮𝒯𝒰𝒱𝒲𝒳𝒴𝒵𝒶𝒷𝒸𝒹𝑒𝒻𝑔𝒽𝒾𝒿𝓀𝓁𝓂𝓃𝓅𝓆𝓇𝓈𝓉𝓊𝓋𝓌𝓍𝓎𝓏",
           "𝕒𝕓𝕔𝕕𝕖𝕗𝕘𝕙𝕚𝕛𝕜𝕝𝕞𝕟𝕠𝕡𝕢𝕣𝕤𝕥𝕦𝕧𝕨𝕩𝕪𝕫𝔸𝔹ℂ𝔻𝔼𝔽𝔾ℍ𝕀𝕁𝕂𝕃𝕄ℕ𝕆ℙℚℝ𝕊𝕋𝕌𝕍𝕎𝕏𝕐ℤ𝟙𝟚𝟛𝟜𝟝𝟞𝟟𝟠𝟡𝟘",
           "ąცƈɖɛʄɠɧıʝƙƖɱŋơ℘զཞʂɬų۷ῳҳყʑ",
           "αɓ૮∂εƒɠɦเʝҡℓɱɳσρզ૨รƭµѵωאყƶ",
           "αႦƈԃҽϝɠԋιʝƙʅɱɳσρϙɾʂƚυʋɯxყȥ",
           "ค๒ς๔єŦﻮђเןкɭ๓ภ๏קợгรՇยשฬץאչ",
           "ꪖ᥇ᥴᦔꫀᠻᧁꫝⅈ𝕛𝕜ꪶꪑꪀꪮρ𝕢𝕣ડ𝕥ꪊꪜ᭙᥊ꪗ𝕫",
           "🄐🄑🄒🄓🄔🄕🄖🄗🄘🄙🄚🄛🄜🄝🄞🄟🄠🄡🄢🄣🄤🄥🄦🄧🄨🄩",
           "🅰🅱🅲🅳🅴🅵🅶🅷🅸🅹🅺🅻🅼🅽🅾🅿🆀🆁🆂🆃🆄🆅🆆🆇🆈🆉"]

# Extract the selected character maps from the list.
originalMap = original[style - 1]
replaceMap = replace[style - 1]

# Create the result as an empty variable.
result = ""

# Define which fonts are uppercase-only. If your font is uppercase-only, please add it here.
uppercaseOnly = [9, 10, 11, 12, 13, 14, 16, 19, 20, 21, 22, 23, 24, 25]
if style in uppercaseOnly:
    text = text.upper()
if style == 14 or style == 15:
    reversed = ''.join(reversed(text))
    text = reversed

# Conversion.
for i in text:
    if i in originalMap:
        # If the current character is in the list of accepted characters, convert it.
        result += replaceMap[originalMap.index(i)]
    else:  # Otherwise, leave it as is.
        result += i
    if style == 9:
        # Add spaces for the blue font. Otherwise, the text will turn into flags. (see the comment before
        # the "replace" list)
        result += " "
    if style == 9 and i == " ":  # Widen the spaces between the blue words.
        result += " "
print(result)