Coefficient files for the modular polynomials Phi_l(X,Y) relating f(z) and f(z/l), where f is Weber’s function, related to the j-function by j = (f^24-16)^3/f^24; these are much smaller than their classical counterparts. Polynomials are provided for all 667 primes 5 <= l < 5000 (2 and 3 are omitted since they divide the level of f), as text files listing one nonzero coefficient per line up to the X-Y symmetry.