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FIGURE 1 - panel A
Yaxis = Resistivity_xx [mOhmcm]
Xaxis = Temperature [K]
Transport measurement performed in a 4points configuration.

FIGURE 1 - panel B
Yaxis = Delta Resistivity_xx(strain) / Resistivity_xx(strain=0) [%]
Xaxis = Strain [%]
Measurements performed at a fixed temperature, moving the strain cell to apply uniaxial strain.

FIGURE 1 - panel C
Yaxis = Resistivity_xx [mOhmcm]
Xaxis = Temperature [K]
Transport measurement performed in a 4points configuration.

FIGURE 1 - panel E
Yaxis(left) = d(Resistivity(strain)/Resistivity(strain=0)) / dstrain
Yaxis(right) = 2m66 
Xaxis = Temperature [K]
Slope of the data reported in Fig1 panel B close to the origin (small strain regime).

FIGURE 1 - panel F
Yaxis = R_H [10^-9 m^3/C]
Xaxis = Temperature [K]
Magnetotransport measurement performed in a 5points configuration.

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FIGURE 2 - panel A
Yaxis = Resistivity [uOhmm]
Xaxis = Temperature [K]
Transport measurement performed fixing the amount of strain applied and varying the temperature.

FIGURE 2 - panel B
Yaxis = Resistivity(T) / Resistivity(T=T*) 
Xaxis = |strain|^(vz) |T-T*|/T*
Scaling analysis of the data in Fig2 panel A.

FIGURE 2 - panel C
Yaxis(left) = T_C [K]
Yaxis(right) = widht of the transition [K] 
Xaxis = Strain [%]
Analysis from the data in Fig2 panel A.

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FIGURE 3 - panel A
Yaxis(left) = T_C [K]
Yaxis(right) = T_S [K]
Xaxis = Strain [%]
Uniaxial strain in FeSe single crystal.

FIGURE 3 - panel B
Yaxis(left) = T_C [K]
Yaxis(right) = T_S [K]
Xaxis = Strain [%]
Comparison with data from FeSe thin films. Data from Fig3 penal A were corrected to take in account the tensile strain from the glue (+0.02%).

FIGURE 3 - panel C
Yaxis = |Delta T_C(strain) / T_C(strain=0) Strain_max |
Xaxis = T_C(strain=0) [K]
Comparison with literature.

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FIGURE S1 - panel A
Yaxis = Resistivity_xx [uOhmm]
Xaxis = Temperature [K]
Transport measurement performed in a 4points configuration.

FIGURE S1 - panel B
Yaxis = Capacitance [pF]
Xaxis(top) = Temperature [K]
Xaxis(bottom) = displacement of the plates [um]
Behaviour of the capacitance of the strain cell as a function of temperature and displacement.

FIGURE S1 - panel C
Yaxis = Resistivity_xx(strain) / Resistivity_xx(strain=0)
Xaxis = Strain [%]
Transport measurement performed fixing the Temperature and varying the strain in a loop. T=20K.

FIGURE S1 - panel D
Yaxis = Resistivity_xx(strain) / Resistivity_xx(strain=0)
Xaxis = Strain [%]
Transport measurement performed fixing the Temperature and varying the strain in a loop. T=9K.

FIGURE S1 - panel E
Yaxis = Resistivity_xx(T) / Resitivity_xx(T=roomT)
Xaxis = Temperature [K]
Inset_Yaxis = dResistivity / dT [uOhmm/K]
Inset_Xaxis = Temperature [K]
Transport measurement performed in a 4points configuration.

FIGURE S1 - panel F
Yaxis = dResistivity / dT [uOhmm/K]
Xaxis = Temperature [K]
Transport measurement performed in a 4points configuration.

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FIGURE S2 - panel A
Yaxis = Resistivity_xx [uOhmm]
Xaxis = B [T]
Magnetotransport measurement performed in a 5points configuration, fixed strain.

FIGURE S2 - panel B
Yaxis = Resistivity_xy [uOhmm]
Xaxis = B [T]
Magnetotransport measurement performed in a 5points configuration, fixed strain.

FIGURE S2 - panel C
Yaxis = S(mobility) 
Xaxis = mobility [m^2/Vs]
Mobility spectrum from magnetotransport measurements performed in a 5points configuration, fixed strain.


FIGURE S2 - panel D
Yaxis = peak position of the mobility [m^2/Vs]
Xaxis = Temprature [K]
Analysis from Fig.S3 panel C.

FIGURE S2 - panel E
Yaxis = Resistivity_xy [uOhmm]
Xaxis = B [T]
Magnetotransport measurement performed in a 5points configuration, fixed strain, at T=30K.

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FIGURE S3 - panel A
Yaxis = Resistivity [uOhmm]
Xaxis = Temperature [K]
Transport measurement performed fixing the amount of strain applied and varying the temperature.

FIGURE S3 - panel B
Yaxis = Resistivity(T) / Resistivity(T=T*) 
Xaxis = |strain|^(vz) |T-T*|/T*
Scaling analysis of the data in Fig.S3 panel A.

FIGURE S3 - panel C
Yaxis = Standard deviation at Resitivity(T)/Resitivity(T=T*)=0.5
Xaxis = vz
Analysis of the data in Fig.S2 panel B to measure the "width" of the collapse.

FIGURE S3 - panel D
Yaxis = Resistivity [uOhmm]
Xaxis = Temperature [K]
Transport measurement performed fixing the temperature and varying the applyed strain.

FIGURE S3 - panel E
Yaxis = Resistivity(T) / Resistivity(T=T*) 
Xaxis = |strain|^(vz) |T-T*|/T*
Scaling analysis of the data in Fig.S3 panel D.

FIGURE S3 - panel F
Yaxis = dResistivity / dT [uOhmm/K]
Xaxis = Temperature [K]
Derivative of the data in Fig.S3 panel A.
