| 8297 | Conversion Tape I | ZX-Spectrum 48K | English |
| 8298 | Conversion Tape II | ZX-Spectrum 48K | English |
| 2646 | Conversion Tape III | ZX-Spectrum 48K | English |
| 43033 | Conversion Utility 1 | ZX-Spectrum 48K | English |
| 25894 | Conversion Utility 2 | ZX-Spectrum 48K | English |
| 25895 | Conversion Utility 3 | ZX-Spectrum 48K | English |
| 25896 | Conversion Utility 4 | ZX-Spectrum 48K | English |
| 25897 | Conversion Utility 5 | ZX-Spectrum 48K | English |
| 17311 | Conversion Utility 5F | ZX-Spectrum 48K | English |
| 16059 | Conversion de Base | ZX-Spectrum 48K | Spanish |
| 16473 | Conversion de Unidades | ZX-Spectrum 48K | Spanish |
| 24110 | Conversions | ZX-Spectrum 48K | English |
| 42752 | Conversor | ZX-Spectrum 48K | Portuguese |
| 18533 | Conversor | ZX-Spectrum 48K | Spanish |
| 14991 | Conversor 2.0 | ZX-Spectrum 48K | Spanish |
| 16449 | Conversor Hexa-decimal | ZX-Spectrum 48K | Spanish |
| 38475 | Conversor ZX81 ZX Spectrum | ZX-Spectrum 48K | Portuguese |
| 18128 | Conversor [1] | ZX-Spectrum 48K | Spanish |
| 18129 | Conversor [2] | ZX-Spectrum 48K | Spanish |
| 44406 | Conversor de Temperaturas | ZX-Spectrum 48K | Portuguese |