- ADFGX (en-/decrypt)
- ADFGVX (en-/decrypt)
- Affine (en-/decode)
- Alpha Numeric
- ASCII:
- -- Converter
- -- Table
- Astro:
- -- Sun/Moon Rise/Set
- -- Easter Dates
- -- Easter Years
- -- Seasons
- -- Shadow Calculator
- Atbash
- Bacon (en-/decode)
- Base16 (en-/decode)
- Base32 (en-/decode)
- Base64 (en-/decode)
- Base85 (en-/decode)
- Brainfuck / Ook:
- -- Text to Brainfuck
- -- Text to Ook
- -- Brainfuck to Ook
- -- Ook to Brainfuck
- -- Brainfuck to Text
- -- Ook to Text
- Caesar (en-/decrypt)
- Colors:
- -- CMY
- -- CMYK
- -- HEX
- -- HSL
- -- HSV
- -- RGB
- -- YIQ
- -- YUV
- -- YCBCR
- Coordinates:
- -- Bearing
- -- Converter
- -- Distance
- -- Geohash
- -- Intersection Bearing
- -- Intersection Distance / Radius (two)
- -- Intersection Distance / Radius (three)
- -- Intersection Circle
- -- Intersection Lines
- -- Midpoint
- -- Projection
- Cross Total:
- -- A = 1 / Z = 26
- -- A = 26 / Z = 1
- -- interated
- -- alternating
- -- sum
- -- product
- Deadfish
- DNA (en-/decode)
- E (Euler's number):
- -- Position
- -- Bereich
- -- Suche
- Enigma:
- -- 58 Rotors
- Formula Solver:
- -- own formulas and values
- -- many mathematical functions
- Gade
- GC Base 31 (en-/decode)
- Hash:
- -- AP
- -- BKDR
- -- BP
- -- DEK
- -- DJB
- -- ELF
- -- FNV
- -- JS
- -- MD2
- -- MD4
- -- MD5
- -- PJW
- -- RIPEMD-128
- -- RIPEMD-160
- -- RS
- -- SDBM
- -- SHA-1
- -- SHA-160
- -- SHA-254
- -- SHA-384
- -- SHA-512
- -- SHA-3 224
- -- SHA-3 254
- -- SHA-3 384
- -- SHA-3 512
- -- Tiger
- -- Whirlpool
- Heatindex
- Hint (en-/decode)
- Kamasutra (en-/decode)
- Kenny's Code (en-/decrypt)
- Morse Code:
- -- Translator
- -- Table
- Tables:
- -- ASCII
- -- Morse Code
- -- Numeral Systems
- -- Resistor Color Code - 4 Rings
- -- Resistor Color Code - 5 Rings
- -- Roman Numeral
- App Features:
- -- Four Themes
- -- Three Font Sizes
- -- Six Charsets
- -- Dynamic User-Interface
- -- English and german translation
- -- Fully integration of myGEOtools
- -- Complete offline usage
- -- No permissions on the device needed
- -- App 2 SD
- -- Function Search
- -- Widgets
- -- Tablet Ready
- myGEOtools:
- -- Alchemical Symbols
- -- Ancient Egyptian Numbers
- -- Antiker
- -- Arcadian
- -- Atbash / Caesar
- -- ATH-Code
- -- Bacon's cipher
- -- Baudot
- -- Blox
- -- Brahmi
- -- Braille
- -- Chappe Code
- -- Chappe-Code (optical Telegraph)
- -- Cherokee Alphabet
- -- Cirth
- -- Code-Sun (mRNA)
- -- Colorhoney
- -- ColorTokki
- -- Daedric
- -- Dagger
- -- Decabit
- -- Dragon Runes
- -- Color Codes
- -- Finger Alphabet
- -- Flag Alphabet
- -- Fonic
- -- Freemasons Code Variant 2
- -- Freemasons Code
- -- Futurama
- -- Glagolitic
- -- Glagolitic Numerals
- -- Gargish
- -- Genreich
- -- Greek Numerals
- -- Lucky Numbers
- -- Gnommish
- -- Hexahue
- -- Hieratic Numbers
- -- HVD
- -- Hylian
- -- Hymmnos
- -- Intergalactic Code
- -- Indian Numerals
- -- Japanese Numerals
- -- Klingon Language
- -- Krypton Language
- -- Magicode
- -- Marain
- -- Matoran
- -- Mathematics and Physics Constants
- -- Maya
- -- Maze
- -- Modern Hylian
- -- Moonalphabet
- -- Musical Notation System
- -- Ogam
- -- Periodic System
- -- Punisch
- -- Pipeline 3D
- -- Pixel Code
- -- Polybios Cipher
- -- POSTNET and PLANET
- -- Puzzle Code
- -- Reality
- -- Romulan
- -- Sarati
- -- Segment Displays
- -- Sexagesimal System
- -- Spintype Alphabet
- -- Sunúz
- -- Tenctonese
- -- Tom Tom
- -- Ulog
- -- Utopian Code
- -- Visitor
- -- Semaphore
- -- Yán-Koryáni
- -- Gypsy Signs
- -- Babylonian Numbers
- -- Barbier Alphabeth
- -- 8-Point Braille
- -- Deafblind
- -- Fakoo
- -- Sign Writing
- -- Greek Alphabet
- -- Lorm Alphabet
- -- Nießen Alphabet
- -- Quadoo
- -- ROT5
- -- Cyrillic
- -- Shutter Telegraph
- -- Enochian Alphabet
- -- Space Invaders
- -- Dancing Man Code
- -- Templar
- -- DTMF / MFV Signals
- Numeric Systems:
- -- Converter
- -- Base
- -- Table
- -- Negate Bases
- -- Floating Point Numbers
- One Time Pad:
- -- en-/decrypt
- -- Key Value Select
- Periodic System of Elements:
- -- PSE to Text
- -- Element name
- -- Chemical symbol
- -- Atomic number
- -- IUPAC Group
- -- Main Group
- -- Subgroup
- -- Period
- -- Series
- -- State of matter
- -- Atomic mass
- -- Melting point
- -- Boiling point
- -- Electronegativity
- -- Density
- -- Appearance
- -- Radioactivity
- -- Half-life
- -- Most common Isotope
- Permutations
- Phone Keys:
- -- Phone Number
- -- Vanity Code
- -- Input Keys
- Phi (Φ):
- -- Position
- -- Range
- -- Search
- Pi / Golden Cut (Π):
- -- Position
- -- Range
- -- Search
- Playfair (en-/decrypt)
- Polybios (en-/decode)
- Prime Numbers:
- -- Number
- -- Nearest
- -- Position
- -- Is Prim
- -- Prime Factors
- Projectile
- Rail Fence (en-/decrypt)
- Resistor Color Code:
- -- Calculator (4-Ring)
- -- Calculator (5-Ring)
- -- Table (4-Ring)
- -- Table (5-Ring)
- Reverse
- Roman Numeral:
- -- Translator
- -- Chronogram
- -- Table
- ROT5
- ROT13
- ROT18
- ROT47
- Rotation (for-/backward)
- RSA:
- -- En-/Decrypt
- -- 'E' Check
- -- 'D' Calculator
- -- 'N' Calculator
- -- 'φ' Calculator
- -- Prime Number Check
- Skytale (en-/decrypt)
- Solitaire (en-/decrypt)
- Tap Code (en-/decode)
- Tapir (en-/decode)
- Vigenère (en-/decrypt)
- Windchill
- Zuse Z22 / CCIT2 (en-/decode)